question with answer mechanic trade may-13

51
OBJECTIVE QUESTION WITH ANSWER 1] Match the cutting tools with uses. Cutting Tools: 1) File 2) Hacksaw 3) Chisel 4)Scraper Uses: A] To Remove small amount of metal and finishing purposes B] To remove large amount of metal up to 6mm C] To cutting the metal o scribed line D] To remove the metal on scribed line E] To remove high spot by hand process for obtaining high degree of Accuracy Ans: 1-A 2-C 3-B 4-D 2] Match the cutting tools with uses. Cutting Tools: 1) Drills 2) Reamer 3) Taps 4) Dies Uses: A] For making hole on a job B] To accurate finishing hole and to remove burrs C] For cutting external threads on cylindrical job D] For cutting internal threads in a hole Ans: 1-A 2-B 3-D 4-C 3] Match the marking tools with uses. Marking Tools 1) Marking table 2) Try Square 3) Scriber 4) Divider Uses: A] For placing the job and tools on it for marking B] To draw a scribe line on metal, to indicate dimension C] For marking parallel lines and checking right angles of job D] To scribe circles, arcs and to find out center of round rod Ans: 1- A 2C 3-B 4-D 4] Match the marking tools with uses. Marking Tools 1) Surface Plate 2) Universal Surface Gauge 3) Vernier height gauge 4) punches Uses: A] To support the tools for marking and checking B] To register mark to keep up the lines visible till the operation is over C] For talking accurate measurement of height of a job or marking D] For Scribe parallel line locating centre of round bar and for checking of height Ans: 1 A 2- D 3- C 4-B 5] Match the marking tools with uses. Marking Tools 1) Trammel 2) Bevel protractor 3) Combination set 4) Jenny Caliper Uses: A] For draw a large circles, arcs two parallel lines and also used for laying out materials for boilers, tanks, bridges towers etc. B] To measurement of layout of angles C] For measure the angles with different heads. D] To scribe parallel lines and find centre of cylindrical round bar Ans: 1-A 2-B 3-C 4-D

Upload: pawan-porwal

Post on 13-Dec-2015

22 views

Category:

Documents


1 download

DESCRIPTION

no

TRANSCRIPT

Page 1: Question With Answer Mechanic Trade May-13

OBJECTIVE QUESTION WITH ANSWER

1] Match the cutting tools with uses.

Cutting Tools:

1) File 2) Hacksaw 3) Chisel 4)Scraper

Uses: A] To Remove small amount of metal and finishing purposes

B] To remove large amount of metal up to 6mm

C] To cutting the metal o scribed line

D] To remove the metal on scribed line

E] To remove high spot by hand process for obtaining high degree of Accuracy

Ans: 1-A 2-C 3-B 4-D

2] Match the cutting tools with uses.

Cutting Tools:

1) Drills 2) Reamer 3) Taps 4) Dies

Uses: A] For making hole on a job

B] To accurate finishing hole and to remove burrs

C] For cutting external threads on cylindrical job

D] For cutting internal threads in a hole

Ans: 1-A 2-B 3-D 4-C

3] Match the marking tools with uses.

Marking Tools

1) Marking table 2) Try Square 3) Scriber 4) Divider

Uses: A] For placing the job and tools on it for marking

B] To draw a scribe line on metal, to indicate dimension

C] For marking parallel lines and checking right angles of job

D] To scribe circles, arcs and to find out center of round rod

Ans: 1- A 2–C 3-B 4-D

4] Match the marking tools with uses.

Marking Tools

1) Surface Plate 2) Universal Surface Gauge 3) Vernier height gauge 4) punches

Uses: A] To support the tools for marking and checking

B] To register mark to keep up the lines visible till the operation is over

C] For talking accurate measurement of height of a job or marking

D] For Scribe parallel line locating centre of round bar and for checking of height

Ans: 1 –A 2- D 3- C 4-B

5] Match the marking tools with uses.

Marking Tools

1) Trammel 2) Bevel protractor 3) Combination set 4) Jenny Caliper

Uses: A] For draw a large circles, arcs two parallel lines and also used for laying out materials

for boilers, tanks, bridges towers etc.

B] To measurement of layout of angles

C] For measure the angles with different heads.

D] To scribe parallel lines and find centre of cylindrical round bar

Ans: 1-A 2-B 3-C 4-D

Page 2: Question With Answer Mechanic Trade May-13

6] Match the supporting tools with uses.

Supporting Tools:

1) Angle Plate 2) V Block 3) Parallel Block 4) Surface Plate

Uses: A] To support the tools for marking and checking

B] For level testing work pieces horizontally

C] For holding round rods with help of U clamp

D] To support the job for marking

Ans: 1-D 2-C 3-B 4-A

7] Match the holding and striking tools with uses.

Holding & striking Tools:

10Vices 2) Clamps 3) hammer 4) Mallet

Uses: A] To make uniform surface or bending sheet metal.

B] To make job to required shape either cold or hot beats direction the top of the tool

C] To grip the job while drilling or fixing the components in bench

D] To hold the job firmly in fitting shop.

Ans: 1-D 2- C 3-B 4-A

8] Match the Measuring tools with uses.

Measuring Tools

1) Steel Rule 2)Vernier Caliper 3) Micrometer 4) Bevel Protractor

Uses: A] To measure the simple components of an accuracy of 0.5 mm

B] To measure the outer dimension of round, flats, square components and also inner sizes of

hole and

Bore of an accuracy of 0.02 mm or 0.01 mm.

C] To measure outer dimension of round or flat jobs to an accuracy 0.01 mm

D] To measure the Angles.

Ans: 1-A 2-B 3-C 4-D

9] Match the Checking tools with uses.

Checking Tools:

1) Gauge 2) Dial Test indicator 3) Sine Bar 4) Combination Set

Uses: A] Used on the manufactured job to know whether it is fir or not

B] For measuring the angles

C] To check the angles of job

D] To check the truth of an object to find degree of an accuracy.

Ans: 1-A 2- D 3-C 4-B

10] Match the hand tools with uses.

Hand Tools

1) Screw Driver 2) Pliers 3) spanner 4) Wrenches

Uses: A] For fastening and dismantling bolts and pipes

B] For tightening or loosening nut or bolt

C] For tightening or loosening screw

D] To hold small job and articles and also use to cut or turn the wires

Ans: 1-C 2-D 3-B 4-A

11] Match the sheet metal tools with uses.

Sheet metal Tools

10 Snips 2) Stakes 3) Shears 4) Grooves 5) Bench Plate

Uses: A] For sheet metal bending grooving riveting and hollowing

B] For cutting thick sheet metal

C] For cutting thin sheet metal

D] For locked joint s in sheet metal works.

Page 3: Question With Answer Mechanic Trade May-13

E] Different types of making wire edges and slots, holes, round, square in different

shapes and sizes and Made in this

Ans: 1-A 2-A 3-B 4- D 5-E

12] Match the forging and black smithy tools with uses.

Forging and black smithy tools

1) Shavel 2) Sprinker 3) Pocker 4) Tongs

Uses: A] For holding jobs in hot conditions and protect the hand from heat and prevent shear while

Beating on cold condition

B] To make clear way and to know the position of the heated jobs in the Furnace

C] To control the fire by filling it with water

D] To carry over the fuel into forge as well to remove the slag, ash etc from the fire

Ans: 1-D 2-C 3-B 4-A

13] Match the forging and black smithy tools with uses.

Forging and black smithy tools:

1) Anvil 2) Swage 3) Hardie 4) Drift

Uses: A] To enlarge the hole in hot metals

B] It is hole of Anvil, hot metals is kept on it and cut by striking at it

C] For finishing the round job

D] For hammering a hot job

Ans: 1-D 2-C 3-B 4-A

14] Match the forging and black smithy tools with uses.

Forging and black smithy tools:

1) Fuller 2) Flatter 3) Cone 4) Rake

Uses: A] used in conjunction with each other for making hollow V grooves and necks in round corner.

B] For finishing the surface of the plain job

C] to make round rings of different sizes in forging works

D] To pull the charged fuel over the job

Ans: 1- A 2-B 3-C 4-D

15] Match the Gas welding tools with uses:

1) Spark Lighter 2) Tip Cleaner 3) Cylinder Key 4) Wire brush

Uses: A] For lighting the gas released from welding torch

B] For opening and closing the gas Cylinders spindle valve.

C] For cleaning the hole in Nozzle and also used for removing slag from the job after welding

D] For cleaning the jobs before and after welding

Ans: 1- A 2- C 3- B 4- D

16] Match the Gas welding equipments with uses:

Gas Welding Equipments:

1) Oxygen Cylinder 2) Acetylene Cylinder 3) Gas Regulator 4) Blow pipe

Uses: A] it is black color and its valve has right hand thread

B] It is maroon color and its valve has left hand thread

C] To supply the gas to welding torch at a proper and reduced pressure

D] For gases supplied to the welding torch from cylinder

Ans: 1-A 2-B 3-C 4-D

17] match the Welding Safety Equipments with used.

Welding Safety Equipments:

1) Welding torch 2) Welding goggles 3) Hand gloves 4) Apron

Uses: A] to mixed oxygen and acetylene gases desired proportion in it

B] For protects of eyes against and possible bad effect of the flame

C] For the protection of hand against any possible burn during welding

D] For protection body from spark while doing welding

Ans: 1-A 2-B 3-C 4-D

Page 4: Question With Answer Mechanic Trade May-13

18] Match the Arc welding equipments with uses:

Arc Welding Equipments:

1) Welding Cable 2) Cable connector 3) Earth Clamp 4) Electrode holder

Uses: A] To pass the current from welding machine to the electrode holder

B] To hold the electrode

C] For connecting the earth and cable to placed on the welded jobs while welding.

D] For joining two cable pieces or for connecting the cable to the welding machine.

Ans: 1-A 2-D 3-C 4-B

19] Match the Arc welding equipments with uses:

Arc Welding Equipments:

1) Weld gauge 2) Welding electrode 3) Oxygen Cylinder 4) Acetylene Cylinder

Uses: A] used in Arc Welding

B] For measuring the depth of weld

C] Oxygen is store in a cylinder is called

D] Acetylene gas is store in a Cylinder is called

Ans: 1- B 2- A 3- C 4- D

20] Match the drilling attachments with uses.

1) Drill Chuck 2) Drill Sleeve 3) Drill Drift 4) Drill bit

Uses: A] For making hole on a job

B] To remove the big drill or sleeve from spindle

C] To hold the shanks of different size from spindle of machine.

D] To hold the drills.

Ans: 1- D 2-C 3- B 4- A

21] Match the tools with uses.

1) Counter boring 2) Counter sinking 3) spot facing 4) Reaming

Uses: A] making enlarging top of holes to round head screw to sit

B] Making cone shaped enlarging of hole months for counter shrunk screw to fit

C] Making accurate size of hole and finishing

D] Make level for sealing of washer keys.

Ans: 1- A 2- B 3-D 4- C

22] match the lathe accessories with used

1) Chuck 2) Carrier 3) Catch plate 4) Face Plate

Uses: A] To grip the jobs is tightened in and slots with the help of nut- bolts

B] To grip the jobs to be turned

C] To gripping bent types jobs

D] The jobs tied in this and fitted in the catch plate

Ans: 1- B 2- D 3- C 4- A

23] match the lathe accessories with used

1) Steady rest 2) mandrel 3) Lathe centre 4) Tail stock

Uses: A] To support a cylindrical lengthy job

B] For turning a job along its entire length and for speed up the production process

C] It is fitted with head stock, and tail stock to grip job.

D] For centre to centre turning of lengthy.

Ans: 1- A 2- B 3- C 4- D

24] match the following fastener with used

1) Nut 2) Bolt 3) Rivet 4) Screw

Uses: A] To join small parts of machine B] To join two metallic sheets.

C] For fastening purposes, it having a threaded hold in it.

D] For fastening purposes the cylindrical rod have threaded on one end and

head is another end

Ans: 1-C 2- D 3- B 4- A

Page 5: Question With Answer Mechanic Trade May-13

25] Match the following with uses.

1) Stud 2) Cotter 3) pin 4) Key

Uses: A] The piece of metal inserted on axial direction between hub and shaft and making

Them to rotate jointly

B] For locking jointly

C] To join two such parts of machine it having standard threads on both ends.

D] To join two parts of a machine like a key

Ans: 1- C 2- D 3- B 4-A

26] Match the following with uses.

1) Jigs 2) Fixture 3) Template 4) Washer

Uses: A] To protect the threads of bolt or screw and helps loosening nut easily.

B] To hold the job and guide the tool

C] To hold the job during turning, milling and shaping operation

D] For marking similar jobs at a time and also used for checking.

Ans: 1- B 2- C 3- D 4 – A

27] Match the following with uses.

1) Lubricator 2) Lubricant 3) Coolant 4) Lubrication

Uses: A] Increase tool life and protects job from rust

B] To lubricate the machine parts

C] Increase the machine life and protects the jobs from rust

D] The process of putting lubricant at the places of Friction between two different parts of a

machine

Ans: 1- B 2- C 3- D 4- B

28] Match the following with uses.

1) Abrasive 2) Bond 3) Aluminum Oxide 4) Grinder

Uses: A] To making grinding wheel

B] To giving fine finish to surface of job

C] To blind Abrasive grains to making grinding wheel

D] Artificial abrasive.

Ans: 1- A 2- C 3- D 4- B

29] Match the following with uses.

1) Welding transformer 2) Generator 3) Rectifier 4) Bearing

Uses: A] To give support to the shafts while they are in motion

B] Convert the AC main supply into Ac welding supply

C] To convert AC into DC welding supply

D] To generate DC for Arc welding

Ans: 1- B 2- D 3- C 4- A

30] Match the following with definitions.

1) Stress 2) Strain 3) Opaque 4) Conductivity

Uses: A] Change in length/Original length

B] Load / Area of cross section

C] We cannot see through metals.

D] The ability to carry the electrical current or heat.

Ans: 1- B 2- A 3 – C 4- D

31] Match the following with properties.

1) Toughness 2) Brittleness 3) Ductility 4) Malleability

Properties: A] Metal can draw into wires.

B] Metal can be hammered or rolled out without breaking or cracking.

C] It does not break or deform even after bending or twisting.

D] The metal breaks and disintegrates into pieces.

Ans: 1- C 2- D 3- A 4- B

Page 6: Question With Answer Mechanic Trade May-13

32] Match the following with Flames.

1) Equal quality of oxygen and acetylene gas

2) Percentage of Acetylene gas is less than Oxygen.

3) Percentage of Acetylene gas is more than Oxygen.

Flames: A] Neutral Flames

B] Carburizing Flame

C] Oxidizing Flame

Ans: 1- A 2- C 3- B

33] Match the following pulleys with machine.

1) Stepped pulley 2) V. Grooved pulley 3) Split Pulley 4) Cone Pulley

Uses: A] In electric motors and Automobiles

B] In drilling machine, lathe machine

C] In saw machine

D] In a set of two pulleys.

Ans: 1 – B 2 - A 3 – C 4 – D

34] Match the following with Products.

1) Blast Furnace produce 2) Cupola Furnace produce 3) Puddling Furnace Produce

Products: A] Pig Iron

B] Cast Iron

C] Wrought Iron

Ans: 1- A 2- B 3- C

35] Match the percentage of carbon contect with steels.

1) Low Carbon Steel 2) High carbon steel 3) Medium Carbon Steel

Percentage of Carbon: A] 0.7 % to 1.5 %

B] 0.3 % to 0.7 %

C] 0.07 % to 0.25 %

Ans: 1- C 2 – A 3- B

36] Match the following fits with definition.

1) Clearance fit 2) Transition Fit 3) Interference Fit

Defination: A] Shaft size is less than hole size

B] Shaft size is equal to hole size

C] Shaft size is bigger than whole size

Ans: 1- A 2- B 3- C

37] Match the following Files with uses.

1) Straight file 2) Cross File 3) Draw File 4) File card.

Uses: A] The metal quickly cut.

B] The entire job becomes plain and smooth

C] Method is done to bring finishing on the job

D] To remove chips.

Ans: 1 – A 2 - B 3- C 4- D

38] Which file is used to rapid removed of soft materials such as aluminum lead, wood and

leather?

1) Single cut file 2) Double cut file 3) Rasp Cut File 4) Curved cut File

39] Which file having 12 teeth per cm?

1) Rough File 2) Bastard File 3) Smooth File 4) Dead Smooth File.

40] Which blade is hardened to the full length between the pin holes?

1) Flexible blade 2) Spring back blade 3) All hard blade 4) Flexible Center blade

41] Wave set of blade pitch is

1) 0.8 mm 2) 1.0 mm 3) over 1.0 mm 4) Below 0.8 mm

Page 7: Question With Answer Mechanic Trade May-13

42] Which blade is used to cut slots and contours?

1) Circular Saw blade 2) Machine Saw Blade 3) Rod Saw Blade 4) Hand Hack Saw Blade

43] Match the uses with chisels.

1) Flat Chisel 2) Cross cut chisel 3) Half Round nose chisel 4) Diamond point Chisel 5) Web

Chisel

Uses: A] For cutting key ways grooves and slots.

B] For cutting curved grooves.

C] To remove metal from large flat surfaces and chip excess metal off weld joint and casting

D] For squaring materials at the corners.

E] For separating metals after chain drilling.

Ans: 1 - C 2 – A 3 - B D - 4 E – 5

44] Match the Uses with Scrapers.

Uses: 1) to clean the corner 2) For scraping high spots between bearing and bushes

2) For Scraping broad surfaces 4) For Scraping high spots of plain surface.

5) For common work

Scrapers: A] Flat Scraper B] Triangle Scraper C] Hook Scraper

D] Half Round Scraper E] Double handle Scraper

Ans: 1- B 2 - D 3 - E 4 - A 5- C

45] Which tool is used to marking lines on metal draw a scribe line to indicate Dimensions?

1) Scraper 2) Divider 3) Scriber 4) Punch

46] For testing an angle other than 90º

1) Try Square 2) Protractor 3) Scribing Block

47] For testing parallelism use:

1) Try Square 2) Protractor 3) Scribing Block

48] For checking Squareness , to measure the right angles.

1) Try Square 2) Protractor 3) Scribing Block

49] The tool, which is used for registered mark to keep up the lines visible till the operation is over

The operation is over 1) Chisel 2) Divider 3) Scriber 4) Punch

50] Match the vices with uses.

1) Bench vice 2) Carpenter Vice 3) Leg Vice 4) Pipe Vice

Uses A] To hold job firmly and also called as fitter vice

B] To hold job for hammering chipping cutting in black smithy shop. It is also called

As black smithy vice

C] To holding circular sections of metal parts, tubes, pipes etc.

D] To hold the wood item in carpenter shop

Ans: 1 – A 2 – D 3 – B 4 - C

51] Match the foot rules with uses.

Rules: 1) Shrink Rule 2) Short rule 3) Folding rule 4) Foot rule

Uses A] Used by pattern maker

B] Used by machinist and die makers

C] Used by Carpenters.

D] Used for physically measuring any articles.

Ans: 1 – A 2 – B 3 – C 4 – D

52] Match the following parts of vice with material.

1) The box nut of a bench vice is made of 2) The bench vice spindle is made of

3) The jaw plate of bench vice is made of 4) Steel rule is made of

Material: A] Stainles steel B] Phosphorous bronze

C] Mild steel D] Tool Steel

Ans: 1 –B 2 – C 3 – D 4 – A

Page 8: Question With Answer Mechanic Trade May-13

53] Match the instrument s with least count

1) Steel rule 2) Vernier Caliper 3) Micrometer 4) 1 Cm

Least Count: A] 0.5 mm B] 0.01mm C] 0.02mm D] 10mm

Ans: 1 – A 2 – C 3 – B 4 – D

54] The tool which is used to support the job and to provide a vertical or angular plane for marking

1) Try Square 2) Scribing black 3) Angle plate 4) Surface Plate

55] The slots are provided an angle plate for:

1) Accommodating bolts 2) Hanging with hooks 3) reducing weight 4) Aligning the work

56] The tool which is stated by size number

1) Surface plate 2) Angle plate 3) Marking table 4) V block

57] Match the parts of combination set with their uses.

1) Square head 2) Centre head 3) Protractor Head

Uses of head: A] Marking and measuring any angle

B] Checking the 45 degree and 50 degree angle

C] To find the centre of cylindrical job

Ans: 1 – B 2 - C 3 – A

58] Match the Gauges with uses.

1) Drill Gauge 2) Drill Point Gauge 3) Centre Gauge 4) Feeler Gauge

Uses: A] To measure the size of drill

B] To check the lip angle of drill bit after grinding

C] To determined size of small gauge and clearance

D] To Cutting tool for the cutting V threads.

Ans: 1 – A 2 – B 3 – D 4 –

59] The file used for general purpose filing is called

1) Square File 2) Flat File 3) Mill file 4) Hand file

60] Pig Iron is refined to produce cast iron in Furnace called

1) Blast Furnace 2) Cupola Furnance 3) Puddling Furnace 4) Bessemer Method

61] Pig iron is refined in a puddling Furnace and the product is known as:

1) Pig Iron 2) Cast Iron 3) Wrought Iron 4) Steel

62] The File which is used for Round purpose is called.

1) Flat File 2) Triangle file 3) Round file 4) Square File

63] The file is pushed and pulled over the job. This every two actions are called.

1) One Stroke of File 2) Two stroke of file 3) Three stroke of files 4) Four Stroke of file

64] The type of file which is commonly used in lathe work is called

1) Warding file 2) Needle file 3) Mill file 4) Piller file

65] The act of joining slip Gauges is termed as:

1) Grouting 2) Creeping 3) Seaming 4) Wringing

66] If in a micrometer, Zero on barrel and thimble are coinciding but still thee is gap between the

face Anvils the error is known as:

1) Positive error 2) Negative error 3) Zero error 4) Normal error

67] The hammers with head made of lead, copper are called:

1) Soft hammer 2) Hard hammer 3) Mallet 4) Sledge hammer

68] The tool is used to finish drilled hole is called:

1) Reamer 2) File 3) Hacksaw 4) Drill

Page 9: Question With Answer Mechanic Trade May-13

69] While drilling a large hole, a small size hole is first drilled the hole is known as:

1) Latest hole 2) Minor hole 3) Pilot hole 4) Drilled hole

70] Back portion of the drill cutting edge is known as:

1) Shank 2) Flutes 3) Dead Centre 4) Heel

71] Last pointed end of the drill is called:

1) Lip 2) Dead Centre 3) Shank 4) Heel

72] Cutting inside thread is called

1) Tapping 2) Reaming 3) Dyeing 4) Drilling

73] Cutting outside thread is called

1) Tapping 2) Reaming 3) Dyeing 4) Drilling

74] The top surface which joints the two sides of a thread is known as:

1) Root 2) Crest 3) Pitch 4) Lead

75] The bottom surface which joints the two sides of thread is known as:

1) Crest 2) Root 3) Lead 4) Pitch

76] The included angle between the sides of thread measured in an axial plane is known as:

1) Angle of thread 2) Pitch of thread 3) Depth of thread 4) Form of thread

77] The surface of the thread which connects crest and the root is known as:

1) Flank or side 2) Crest 3) Root 4) Pitch

78] The property due to which any metal can cut other metal is called:

1) Hardness 2) Brittleness 3) Toughness 4) Ductility

79] An alloy of copper and zinc is called:

1) Brass 2) Bronze 3) Lead 4) Gold

80] An alloy of copper and tin is called:

1) Brass 2) Bell metal 3) Bronze 4) 2 and 3

81] An alloy of copper, tin and zinc is called:

1) Brass Metal 2) Bronze Metal 3) Gun Metal 4) Soft Metal

82] Brittleness in the metal when hot is called

1) Hot Shortness 2) Hot highest 3) Hot weakness 4) Hot Minus

83] A key with head is called

1) Gib Head key 2) Wood ruff key 3) Feather Key 4) Round Key

84] Joining of two metals together without melting is known as:

1) Riveting 2) Welding 3) Soldering 4) Brazing

85] The mutual connection between two joining parts is called:

1) Fit 2) Limit 3) Loose 4) Tolerance

86] The difference between upper limit and lower limit is called:

1) Tolerance 2) Allowance 3) Bilateral tolerance 4) UNMATERAL tolerance

87] It is an intentional difference in the size of mating part is called:

1) Tolerance 2) Interference 3) Allowance 4) Transition

88] The device for guiding the tool s called

1) Fixture 2) Jigs 3) Clamp 4) Leg vice

89] A shaft at centre of wheel is called

1) Axel 2) Housing 3) Cylindrical rod 4) Square rod

Page 10: Question With Answer Mechanic Trade May-13

90] The maximum dia of work which can accommodate when held between centres in lathe is

known:

1) Swing diameter 2) Core diameter 3) Major diameter 4) Length of bed

91] Double helical gears are called:

1) Herring bone gear 2) spur gear 3) Bevel Gear 4) Worm gear

92] The process of increasing cross section of a bar at the expanded of its length by forging is

called:

1) Upsetting 2) Drawing out 3) Drifting 4) Jumping

93] Front end of Anvil is called

1) Face 2) Base 3) Beak 4) Hardie

94] The square hole of the tail end of Anvil is called:

1) Base 2) Face 3) Hardie Hole 4) Punch Hole

95] Before welding the joining parts of the assembly is kept at square specific distance is called:

1) Root Gap 2) Blow Hole 3) Porosity

96] Any change that occurs during welding in shape and size of joining pieces is known as:

1) Distartion 2) porosity 3) Root Gap 4) Blow hole

97] A group of pin hole in the weld is called:

1) Porosity 2) Distartion 3) Root Gap 4) Blow Hole

98] A large hole in the weld is called:

1) Blow hole 2) Punch Hole 3) Hardie hole 4) Face

99] The distance between adjacent teeth is known as:

1) Pitch of the blades 2) All bard blade 3) flexible blade 4) Flank

100] an operator who does fitting something is called:

1) Fitter 2) Turner 3) Machinist 4) Welder

101] Fitter is also called

1) Electrician 2) Technician 3) Good person 4) Wireman

102] Hand hacksaw blade is called

1) All hard blade 2) Low Tungsten blade 3) Low carbon steel blade 4) Jewellery blade

103] A Chemical compound of carbon with Iron is called

1) Ferrite 2) Pearlite 3) Cementite 4) Austenite

104] the distance, which the cutting edge of tool passes over the material in a minute while

Machining is known as:

1) R.P.M. 2) Feed 3) Machine Speed 4) Cutting Speed

105] The process of applying oxide on aluminium is known as:

1) Oxidizing 2) Anodizing 3) Galvanizing 4) Cyninding

106] Material used for coating the welding electrode is called:

1) Binder 2) Deoxidiser 3) Protective layer 4) Flux

107] the portion behind the cutting edge is grinded at a special angle it is known as:

1) Rake angle 2) Lip angle 3) cutting angle 4) Clearance angle

108] steel which contain 0.8 % to 2.1% of carbon is called:

1) Hypo eutectoid steel 2) Eutectoid steel 3) Hyper eutectoid steel 4) Carbon

109] the art of cutting the corners of metallic sheet for making cuboid shaped job is called:

1) Seaming 2) Punching 3) Notching 4) Piercing

Page 11: Question With Answer Mechanic Trade May-13

110] the chemical method of cleaning is called:

1) Picking 2) Smelting 3) Piercing 4) Swazing

111] Rod with threads on both ends is called as;

1) Nut 2) Bolt 3) Stud 4) Tapped Nut

112] A minimum measurement that can correctly read with a vernier caliper is called:

1) Zero reading 2) Least count

3) Main scale Reading 4) Actual reading minus zero error

113] an angle which is less than 90 degree is called:

1) Shluse angle 2) Acute angle 3) Right angle 4) None of the above

114] a plug Gauge which has its “Go” and “No Go” sizes on the same end is known as:

1) Single ended plug gauge 2) Double ended plug Gauge

3) Progressive plug Gauge 4) Continuous plug Gauge

115] the cutting tool used to finish and enlarge a hole is known as:

1) Drill 2) Tap 3) Die 4) Reamer

116] the grooves provided on the entire length of the body of a twist drill are called:

1) Lips 2) Margins 3) Flutes 4) Webs

117] a hole which is not made through full depth of component is known as:

1) Core hole 2) Pin hole 3) Blind Hole 4) Bore Hole

118] the relief angle given behind the cutting lips is called:

1) Lip clearance angle 2) Helix angle 3) Rake angle 4) Chisel edge angle

119] the process of beveling the end of existing hole is called:

1) Spot facing 2) counter boring 3) Boring 4) counter Sinking

120] the distance a drill advances into job is one complete revolution is known as:

1) R.P.M. 2) Cutting speed 3) Feed 4) Machine speed

121] the distance through which a screw advances axially in one turn is called:

1) Pitch of thread 2) Lead of thread 3) Depth of thread 4) Diameter of thread

122] a drilled hole after tapping is called:

1) Core hole 2) chain hole 3) Tapped hole 4) Reamed hole

123] in a gear, the pitch diameter divided by the number of teeth is called:

1) Module 2) Pitch 3) Addendum 4) Dedendum

124] the height from the pitch circle of a gear to the tip of the tooth is called:

1) Addendum 2) Dedemdum 3) Centre distance 4) Crest

125] the sum of addendum and dedendum of the tooth of gear is called:

1) Whole depth 2) Tooth depth 3) Working depth 4) Root depth

126] the depth of the tooth space a gear below the pitch circle is called:

1) Addendum 2) Dedendum 3) Centre distance 4) crest

127] the measure size of the dimension of a component is called:

1) Basic size 2) Nominal size 3) Allowed size 4) Actual size

128] In case hardening process ammonia gas is introduced on steel the process is known as:

1) Cyaniding 2) Nitriding 3) Carburizing 4) Anodising

129] during heat treatment when carbon is dissolved to form solid solution it is known as:

1) Ferrite 2) Pearlite 3) Austenite 4) Cementide

Page 12: Question With Answer Mechanic Trade May-13

130] the process of increasing carbon percentage on the surface of low-carbon steel is known as:

1) Hardening 2) Nitriding 3) Carburizing 4) Tempering

131] the process of reduction of the iron ore to pig iron is known as:

1) Swazing 2) Smelting 3) Seeming 4) Scraping

132] the process of heating steel to about 40 degree above the upper critical temperature and

cooling it in still air to room temperature is known as:

1) Hardening 2) Annealing 3) Normalising 4) Tempering

133] the thickness of sheet metal is indicated by a series of numbers, which is called as:

1) Number size 2) Standard wire gauge 3) Standard size 4) None of the above

134] the type of the hammer which both the faces are flat and which is used for heavy work in

smithy shop is called:

1) Bell pane hammer 2) Cross pane hammer 3) Claw hammer 4) Sledge hammer

135] Smooth side of a leather belt is called:

1) Flesh side 2) Hair Side 3) Right side 4) Left side

136] the pulley from which power is taken is called:

1) Driver pulley 2) Driven Pulley 3) Cone Pulley 4) Stepped pulley

137] the pulley to which power is taken is called:

1) Driver pulley 2) Driven Pulley 3) Cone Pulley 4) Stepped pulley

138] Ability of one material to penetrate into another without Fracture is called:

1) Toughness 2) Hardness 3) Brittleness 4) Malleability

139] Characteristic of metal by which they become Fluid through the Application of heat is called:

1) Fusibility 2) Tencity 3) Conductivity 4) Malleability

140] Oil in water Emulsion is called:

1) Cooling liquid 2) Cutting emulsions 3) Viscosity

141] Water in oil Emulsions is called

1) Cutting emulsions 2) Cooling liquid 3) Viscosity

142] the factor ultimate strength/ allowable unit stress is called as:

1) Stress 2) Strain 3) Factor of safety 4) Modulus of Elasticity

143] Jenny Caliper is also called:

1) Odd leg caliper 2) Hermaphrodite caliper 3) Venier Caliper 4) 1 & 2

144] Curved cut file is also called is:

1) Single cut file 2) Second cut file 3) Rasp cut 4) Vexin File

145] Wing nut is also called:

1) Cup nut 2) Ring Nut 3) Square Nut 4) Fly Nut

146] Land is also called:

1) Flutes 2) Lip 3) Margin 4) Shank

147] Centre drill is also called:

1) Combunation drill 2) shell drill 3) spiral drill 4) wood working drill

148] Spiral Fluted reamer is also called:

1) Rose Reamer 2) Helical Fluted Reamer 3) Pilot Reamer 4) Shell Reamer

149] Second tap is also called:

1) Fluteless tap 2) Master tap 3) Intermediate tap 4) Extension tap

150] Pitch dia is also called:

1) Effective dia 2) Major Dia 3) Minor dia 4) Crest

Page 13: Question With Answer Mechanic Trade May-13

151] Minor dia is also called:

1) Effective dia 2) core dia 3) Root 4) Crest

152] Dial test indicator is also called:

1) Indicating gauge 2) Balanced dial test indicator

3) Universal test indicator 4) Universal Junior indicator

153] Surface gauge is also called:

1) Scribing Block 2) V Block 3) Parallel Block 4) Marking instrument

154] Hand file is also called:

1) Knife edge files 2) Half round file 3) Safe edge file 4) Warding file

155] Micrometer is also called

1) Slip gauge 2) Screw gauge 3) Plug gauge 4) Ring gauge

156] Catch plate is also called:

1) Driving plate 2) Face plate 3) Steady rest 4) Mandrel12.

157] Carrier is also called

1) Chuck 2)' Dog' 3) Mandrel 4) Lather centre

158] Swaging is also called:

1) Upsetting 2) Hollowing 3) Grooving 4) Corrugating

159] Basic size is also called for:

1) Nominal size 2) Actual Size 3) Original theoretical size 4) A & C

160] Right hand thread is also called as:

1) Tapered thread 2) Simple thread 3) Worm thread 4) Knuckle thread

161] Profile gas cutting machine is also called:

1) Cross carriage cutting machine 2) Large circle cutting machine

162] Four jaw chuck is also called:

1) Self centering chuck 2) Magnetic chuck 3) Independent chuck or universal 4) collet chuck

163] Three jaw chucks is also called:

1) Magnetic chuck 2) self centering chuck 3) collet chuck 4) Universal chuck

164] Double helical gears are also called:

1) Bevel gear 2) spur gear 3) Worm gear 4) Herring bone gear

165] Low carbon steel is also called:

1) Mild steel 2) High speed steel 3) Stainless steel 4) Venadium steel

166] the process of cutting a groove on a circular hole is called:

1) Spot facing 2) Blanking 3) Shearing 4) Trepanning

167] The process of cooling steel piece in oil or water after heating its upper critical point is called:

1) Hardening 2) Tempering 3) Quenching 4) Annealing

168] the process of joining the various parts of the machine is called:

1) Riveting 2) Fastening 3) Brazing 4) Welding

169] the process of joining two metallic sheets is called:

1) Fastening 2) Riveting 3) Soldering 4) Blanking

170] the process of zinc coated on the Iron is called:

1) Anodizing 2) Galvanizing 3) Tining 4) Painting

171] the process of Tin solution CC at the Iron is called:

1) Galvanising 2) Tinning 3) Painting 4) Electroplating

172] Steel rule is made of:

1) Cast iron 2) Zinc 3) Brass 4) Stainless steel

173] File is made of: 1) H.S.S. 2) H.C.S. 3) Cast Iron 4) Special tool steal

Page 14: Question With Answer Mechanic Trade May-13

174] Scriber is made of:

1) H.C.S. 2) H.S.S. 3) Pig Iron 4) Cast Iron

175] Surface plate is made of :

1) Cast Iron or granite 2) Wrought Iron 3) pig Iron 4) Cast iron

176] Chisel is made of:

1) Pig iron 2) Cast Iron 3) H.C.S. 4) H.S.S.

177] Twist drill is made of

1) High speed steel 2) Low carbon steel 3) Cast Iron 4) Tungsten steel

178] the bench vice spindle is made of:

1) Mild steel 2) Cast Iron 3) Tool steel 4) Bronze

179] The Box Nut of a bench vice are made of

1) Tool steel 2) Mild steel 3) Cast Iron 4) Phosphorus bronze

180] the jaw plates of bench vice is made of:

1) Cast Iron 2) Bronze 3) Mild steel 4) Tool steel

181] Hack saw blade is made of :

1) High carbon steel 2) Low carbon steel 3) High speed steel 4) Mild steel

182] Leg vice is made of

1) Tungsten Steel 2) Forged Steel 3) Mild steel 4) Low carbon steel

183] Slip Gauges is made of:

1) Low carbon steel 2) High grade steel with low thermal expansion 3)Mild steel 4) Bronze

184] Grinding wheel is made of:

1) Abrasive 2) Bronze 3) Low carbon steel 4) Forged Steel

185] Bearing is made of:

1)Gun metal 2) Brass 3) bronze 4) Tool steel

186] Crane Hook s is made of:

1) Wrought Iron 2) Tool steel 3) Cast Iron 4) Forged steel

187] Drilll jig Bushings are made of:

1) Tool steel 2) Low carbon steel 3) Alloy steel 4) Mild steel

188] Gauges are made of :

1) Alloy steel 2) Mild steel 3) Cast Iron 4) Tungston Steel

189] Bulb Fitments is made of:

1) Alloy steel 2)Bronze 3)Tungston Steel 4) Chromium Steel

190] Shaving blade is made of :

1) Stainless steel 2) Chromium Steel 3) Tungston Steel 4) Mild steel

191] Lathe bed is made of:

1) Pig Iron 2) Wrought Iron 3) Cast Iron 4) Alloy steel

192] G.I.Pipe and Nails is made of:

1) Cast Iron 2) Wrought Iron 3) Pig Iron 4) Low cabon steel

193] Railway line is made of:

1) Chromium steel 2) Manganese steel 3) Vanadium steel 4) Tool steel

194] Coins are made of:

1) Silver 2) Brass 3) Bronze 4) Mild steel

195] Watch parts are made of:

1) Chromium Steel 2) Vanadium Steel 3) manganese Steel 4) Low carbon steel

Page 15: Question With Answer Mechanic Trade May-13

196] Electrician equipments is made of

1) Gold 2) Siler 3) Copper 4) Zinc

197] Aeroplane made of:

1) Sheet metal 2) Bronze metal 3) Mild steel 4) Low carbon steel

198] Solid Forged Boring Tool is made of:

1) High carbon steel 2) High speed steel 3) Cast iron 4) Mild steel

199] Micrometer is made of:

1) Nickle Chromium Steel 2)Bell Bronze 3) Stainless steel 4) Manganese Steel

200] Vernier caliper is made of:

1) Nickle Chromium Steel 2)Bell Bronze 3) Stainless steel 4) Manganese Steel

201] Swage Block is made of:

1) Cast iron 2) Wrought Iron 3) High Speed steel 4) High carbon steel

202] Anvil is made of:

1) Cast steel with a welded hardened steel 2) Pig Iron 3)Wrought Iron 4) Alloy Steel

203] Point angle of scriber is :

1) 60degree 2) 30 degree 3) 5 to 10 degree 4) 12 to 15 degree

204] The point angle of Centre Punch is:

1) 30 degree 2) 60 degree 3) 90 degree 4) 120 degree

205] V Block is used to hold round bars it has a vee groove which is usually:

1) 30 degree 2) 60 degree 3) 90 degree 4) 120 degree

206] V Blocks are available in grade of:

1) 0 &1 2) 1 & 2 3) A1 & A2 4) A & B

207] For general purpose a bench vice is fixed at a height of:

1)80 cm 2) 90 cm 3) 106 cm 4) 125 cm

208] Generally the length of the handle of a vice is:

1) 1.5 times the nominal size of the vice 2) 2.5 times the nominal size of the vice

3) 3.5 times the nominal size of the vice 4) 4.5 times the nominal size of the vice

209] The minimum measurement that can be read with the help of a steel rule is:

1) 0.01 mm 2) 0.02 mm 3) 0.05 mm 4) 0.50 mm

210] The length of the hammer handle for a 500 gm. Hammer should be about:

1) 275 mm 2) 300 mm 3) 325 mm 4) 350 mm

211] The least count of vernier caliper is:

1) 0.01 mm 2) 0.02 mm 3) 0.05 mm 4) 0.08 mm

212] The least count of Metric Micrometer of:

1) 0.05 mm 2) 0.50 mm 3) 0.01 mm 4) 0.10 mm

213] The least count of Vernier Height Gauge is:

1) 0.02 mm 2) 0.01 mm 3) 0.05 mm 4) 0.20 mm

214] The least count of vernier bevel protractor is:

1) 1` 2) 5’ 3) 10‟ 4) 25‟

215] The value of each Vernier scale division of vernier bevel protractor is:

1) 1 degree 2) 5‟ minute 3) 1 degree 55’minute 4) 2 degree

216] The value of each main scale division of vernier bevel protractor is:

1) 1 degree 2) 5‟ minutes 3) 1 degree 55 second 4)1/2 degree

Page 16: Question With Answer Mechanic Trade May-13

217] The Least count of Universal bevel protractor is:

1) 0.5 minutes 2) 5” minutes 3) 5‟ second 4) 5 degree

218] The Least count of vern ier depth gauge is

1) 0.10 mm 2) 0.01 mm 3) 0.20 mm 4) 0.02 mm

219] The Least count of Vernier Caliper is equal to:

1) The Value of 1 MSD – Value of 1 VSD 2) The value of 2 MSD – value of 1 MSD

3) The Value of 2 MSD - Value of 1 VSD 3) The Value of 1 MSD + value of 1 VSD

220] Accuracy of reference gauge is:

1) 0.05 mm 2) 0.01 mm 3) 0.001 mm 4) 0.0001 mm

221] Hardness of slip gauges should be:

1) Less than 50 HRC 2) 55 HRC 3) 50 HRC 4) 63 HRC

222] For general use in workshop, slip gauge of which grade are used:

1) Grade – I 2) Grade – II 3) Grade – 0 4) None of the above

223] The point angle of twist drill for general purposes is:

1) 135 degree 2) 118 degree 3) 90 degree 4) 60 degree

224] The lip clearance angle of Twist drill for general purpose should be

1) 3 to 5 degree 2) 4 to 6 degree 3) 8 to 12 degree 4) 12 to 15 degree

225] The angle of drill grinding gauges is:

1) 59 degree 2) 118 degree 3) 121 degree 4) 124 degree

226] The cutting angle of a chisel for chipping aluminium is:

1) 30 degree 2) 55 degree 3) 60 degree 4) 70 degree

227] The most suitable pitch of the hacksaw blade for cutting thin section tubes is:

1) 0.8 mm 2) 1.0 mm 3) 1.4 mm 4) 1.8 mm

228] The suitable pitch of hacksaw for cutting solid brass is:

1) 1.8 mm 2) 1.4 mm 3) 1.0 mm 4) 0.8 mm

229] The taper shank of a drill of 20 mm diameter has:

1) MT -1 Taper 2) MT – 2 Taper 3) MT – 3 Taper 4) MT -4 Taper

230] A standard taper given on a taper key is:

1) 1 : 50 2) 1 : 100 3) 1 : 48 4) 1 : 96

231] The angle of‟ V‟ thread ( „V‟ shaped ) is a:

1) 47 ½ degree 2) 50 degree 3) 60 degree 4) 29 degree

232] The size of Engineer vice is specified by:

1) Width of jaw 2) Length of movable jaw 3) Length of spindle 4) None of the

above

233] The size of angle plate is specified by:

1) Weight 2) Length 3) Size number 4) Length X width

15.

234] The size of Hammer is specified by:

1) Type of Hammer 2) Size and range of Hammer 3) Type of material 4) all of the above

235] The size of vernier height gauges specified by:

1) Width of the beam 2) Height of the beam 3) Weight of the beam 4) size of the

scriber

236] The size of drilling machine is specified by:

1) Capacity of machine 2) Types of drilling machine 3) speed of spindle 4) all of the above

Page 17: Question With Answer Mechanic Trade May-13

237] The size of twist drill is specified by:

1) Size of drill in diameter 2) Types of shank of drill bit

3) Types of material manufactured 4) All of the above

238] The final tap specified by:

1) Material 2) Size of Tap 3) Types of Tap 4) All of the above

239] The size of Grinding wheel is specified by:

1) Speed of grinding wheel 2) Types of grinding wheel

3) capacity of Grinding 4) All of the above

240] The size of Micrometer specified by:

1) Range of Micrometer 2) Types of Micrometer 3) Shape of Micrometer 4) All of the above

241] The bearing is specified by:

1) outer dia of bearing 2) Bore dia of bearing 3) Width of the bearing 4) All of the above

242] The square thread specified by:

1) Angle of thread = 90 2) Depth of thread =0.5 X pitch

3) Crest and root = 0.5 X pitch 4] All of the above

243] The lathe specified by:

1) length of the lathe bed 2) Height of the base from centre

3) Swing over the bed or swing over carriage 4) All of the above

244] The chuck specified by :

1) Capacity of chuck 2)Width of chuck 3) Diameter of chuck 4) All of the above

245] A Rivet is specified by the diameter:

1) Head diameter 2) Tail 3) Shank 4) All of the above

246] The size of sine bar specified by the:

1) Weight 2) Measurement of width 3) Maximum angle of setting 4) All of the above

247] Single cut file used for filing:

1) Hard Material 2) Soft Material 3) Aluminium 4) A & B

248] When not in use the steel rule:

1) Apply the thin Layer of oil 2) Clean by kerosene or water 3] Keep it in soft cloth

249] which joint is a permanent joint:

1) Bolt and Nut 2) Araldite bonding 3) Riveting 4) Welding

250] One Micron is a:

1) 0.01 mm 2) 0.001 mm 3) 0.001 inch 4) 0.0001 mm

251] Sine bar is used to measure:

1) Squareness 2) Parallelism 3) Pitch diameter 4) Angle of taper

252] Hexagonal Nut has number of:

1) Sixteen 2) Eight 3) Four 4) Six

253] Which of the following methods produce accurate size holes:

1) Drilling 2) Reaming 3)Tapping 4) Broaching

254] Least count of an ordinary micrometer is:

1) 0.1 mm 2) 0.01 mm 3) 0.2 mm 4)0.02 mm

255] Which of the following machining operation give better surface finish:

1) Honing 2) Boring 3) Grinding 4) Reaming

256] Cutting tools are made of :

1) High speed steel 2) Spring steel 3) Mild steel 4) stainless steel

257] Which file is used to remove more material from work piece:

1) Rough file 2) Smooth file 3) Jeweler file 4) None of the above

258] Three wire method is used to measure

1) Minor diameter 2) Pitch 3) Pitch diameter 4) Angle

259] Bevel gear is used to transmit power between shaft which are:

1) Parallel 2) Co – axial 3) At An angle 4) None of the above

Page 18: Question With Answer Mechanic Trade May-13

260] Which of the following is not used for power transmission:

1) Bearing 2) Belt drive 3) Gears 4) splines

261] Which of the following gauge is used for checking internal threads:

1) Thread ring gauge 2) Thread plug gauge 3) Snap gauge 4) Slip gauge

262] Slip gauge blocks are used:

1) To set dimension 2) to calorate instruments 3) To set sine bar 4) All of the above

263] While filing metal will be removed in:

1) Forward stroke 2) Backward stroke 3) Both 4) Depends on file

264] Stainless steel is an alloy of:

1) Chromium & Nickel 2) Chromium, Iron & Nickel

3) Chromium, nickel, Iron & Carbon 4) Tungston, Chromium & Vanadium

265] Horsepower is unit of

1) Energy 2) Distance jumped by Horse in meter 3) No. of Horses 4) Cylinders I an Engine

266] Plug Gauge is the instrument used for checking:

1) Roughness 2) Flatness 3) Thickness 4) Hole ( internal dia )

267] Spirit level is used for:

1) Checking the straightness of cutting tool 2) Checking the straightness of machine spindle

3) Checking the straightness of surface 4) Checking perpendicularity

268] Machine beds are made of:

1) cast Iron 2) Staineless Steel 3) Cm Steel 4) High speed steel

269] In a turning operation on a lathe:

1) Tool rotates 2) Job rotates 3) Both tool and job rotates 4)Both tool and job do not rotate

270] Which of these is not a measuring instrument:

1) Micrometer 2) Slip gauges 3) Vernier Caliper 4) Cross Slide

271] The intentional difference between two mating parts is known as:

1) Limit 2) Allowance 3) Tolerance 4) Precision

272] Fuel used in most of the Auto-mobiles:

1) High octane Aviation fuel 2)Servo Super Lubricating Oil

3) high speed Diesel Oil 4) Engine Oil

273] Specific gravity of Mild Steel is:

1) 7.86 2) 4.5 3) 1.6 4) 2.89

274] The following is not a joining process: 1) Riveting 2) welding 3) Soldering 4) Broaching 275] Scriber points are very: 1) Blunt 2) Sharp 3) Mild 4) Hard 276] Lead screw is mounted on: 1) Vaccum Bed 2) Jigs 3) Pull studs 4) Machine 277] Centre drilling is an operation of: 1) Drilling and counter sinking 2) Drilling and counter boring 3) Marking the centre location before drilling 4) Enlarging the diameter of a hole 278] The convexity of files helps: 1) To file concave surfaces 2) To file convex surfaces 3) The files to become straight when pressure 4) To prevent roughing of edges of work is applied 279] Clamps are used for the purposes of: 1) Carrying material from machine to machine 2) Preventing movement of work 3) Preventing scratch on machined components 4) Maintaining accuracy 280] Tab washers are used for: 1) Preventing vibration 2) Locking the nuts 3) Self locking 4) Fastening structural fabrication work

281] For machine shop operations the work piece must be held property otherwise: 1) The machine will not function 2) Damage to work and tool 3) The cutting tool will become blunt 4) The operation cannot measure the work piece

Page 19: Question With Answer Mechanic Trade May-13

282] To measure the machined or field surface, which one of the following instrument can be used: 1) Gauge 2) Dial Test indicator 3) Sine bar 4) Vernier Caliper 283] Washer help to: 1) improve appearance 2) Distribute force over a larger area 3) Distribute force to the bolt 4) Cover the clearance hole of the workpiece

284] The relationship existing between the lateral strain and the axial strain is expressed by: 1) Poisson's ratio 2) Hook's law 3) Young's Modulus 4) None 285] Rackwell test is done to measure: 1) Hardness 2) Hook saw 3) Length 4) Ductility 286] The heat treatment generally carried out of soften the metal is:

1) Normalising 2) Annealing 3) Hardening 4) Carburising

287] A double cut file has rows if teeth the same as a single cut file and in addition

has a second row of teeth which are cut.

1) Across the first row 2) Diagonally to the first row

3) Parallel to the first row 4) On the edge of the file

288] Which of the following is a part of file?

1) Heel 2) Face 3) Tang 4) all of these

289] Centre punch has as included angle of:

1) 90 degree 2) 118 degree 3) 60 degree 4) 120 degree

29] The best example for semi liquid lubricant is:

1) Grease 2) Graphite 3) Castor oil 4) Lord oil

291] what is the ratio of 10 feet to 30 inches?

1) 4 : 1 2) 1 : 4 3) 1 : 3 4) 3 : 1

292] Which tool is used to measure the tolerance between surface plate and a surface being

checked for flatness?

1) Depth Gauge 2) Surface Gauge 3) Thickness Gauge 4) Dial Test indicator

293] Universal dividing head is used for indexing work o:

1) Lathe 2) Milling machine 3) Drilling machine 4) Slotting machine

294] best example for gravity feed lubrication is:

1) Grease Gun 2) Ring lubricator 3) A and B 4) Wick feed lubricator

295] A lathe having swing over bed at 220 mm can accommodate a component of diameter:

1) 110 mm 2) 220 mm 3) 95 mm 4) 440 mm

296] how many seconds are there in angle of 6 degree?

1) 21600 sec 2) 1800 sec 3) 2160 sec 4) 18000 sec

297] Internal dia is measured by:

1) Vernier caliper 2) Ring Gauge 3) Outside micrometer 4) Inside micrometer

298] The best example for splash lubrication:

1) Ring lubricator 2) Wick feed lubricator 3) Grease gun 4) Pump lubricator

299] Angle of square thread is:

1) 45 degree 2) 90 degree 3) 60 degree 4) 80 degree

300] Drilling jig is a device for:

1) Holding the job 2) Grinding the job 3) Burning the job 4) Holding the job and grinding the tool

301] The machine element while control the sequence of operation is auto drive lathe is:

1) Cam 2) Bears 3) Belt & Pulley 4) Screw rod

302] In grinding chatter marks can be avoided by:

1) Proper balancing of the wheel 2) using excess of coolant

3) Using rubber sheets 4) Reducing RPM of wheel

303] Best example for driving fit is:

1) Ball bearing one shaft 2) Tyre on the rail wheel

3) Pulley with key on the shaft 4) Cart rim o the wooden wheel

Page 20: Question With Answer Mechanic Trade May-13

304] Jig is defined as a device which:

1) Holds and locates a work piece and guide and control one or more cutting tools.

2) Holds and locates a work piece during as inspection or for a manufacturing operation.

3) It is used to check the accuracy of work piece 4) All of the above

305] Fixtures are used for:

1) Holding and guiding the tool in drilling, reaming or tapping operation

2) Holding the work in milling, grinding, planning or turning Operations

3) To check the accuracy of work piece 4) all of the above

306] Quick - return mechanism is used for:

1) Milling Machines 2) Slotting machines 3) Turret Lathe 4) Broaching

307] the energy processed by a boring work by virtue of its position:

1) Potential energy 2) Kinetic Energy 3) Electrical energy 4) Chemical energy

308] best example for shrinkage fit:

1) Cart rim on the wooden rim 2) Tyre on the rail wheel

3) Tyre on the bicycle rim 4) Fly wheel on the shaft

309] Seam Welding is:

1) Multi spot welding process 2) Continous spot welding process

3) Used to form mesh 4) used for welding cylindrical object

310] Fire is combination of:

1) Fuel, liquid and oxygen 2) Fuel, heat and oxygen

3) Fuel, heat and corbondioxide 4) Fuel, liquid and nitrogen.

311] Cutting speed is calculated by the for

1) TTDN / 1000 2) TTDN / 10000 3) TTDN / 100 4) None of these

312] While grinding one must use:

1) Dark glass screen 2) Mask 3) Safety goggles 4) Sun goggles

313] The process of relieving the internal stresses of a steel component is:

1) Annealing Normalizing 2) Quenching 3) Tempering 4) Stress relieving

314] The bench vice is called as parallel jaw vice because:

1) it can hold the jobs having parallel sides 2) It is Fixed parallel to the shop floor

3) Its width of jaws are parallel 4) Its movable Jaw moves parallel to the Fixed Jaws

315] Steel rule is a:

1) Marking Instrument 2) Precision Instrument

3) Checking Instrument 4) Direct reading Measuring Instrument

316] Aluminium components are protects by:

1) Copper Plating 2) Cadmium Plating 3) Nickel Plating 4) Anodising

317] Feeler gauge is used to measure:

1) Thickness of a job 2) Dia of the job 3) Gap between mating part 4) Radius of job

318] Surface hardening process is:

1) Nitriding 2) Tempering 3) Annealing 4) Cad plating

319] Annealing is done to:

1) Increase hardness 2) Decrease hardness 3) To increase carbon 4) None of these

320] The base unit of length as per S. I unit is:

1) Inch 2) Foot 3) Centimetre 4) Metre

321] Reaming allowance is normally:

1) 0.01 mm 2) 0.002 inches 3) 0.001 mm 4) 1.0 mm

322] In unilateral system of tolerance deviation are allowed in :

1) both the B & D 2) Only two direction 3) No deviations are allowed 4) Only one direction

Page 21: Question With Answer Mechanic Trade May-13

323] Honing, lapping and Bufring are:

1) Finishing operation 2) Intermediate operation 3) Starting operations 4) out line

324] Dressing of grinding wheel means:

1) Removing loaded metal particles 2) Removing dull gains 3) Both A & B 4) None of these

325] VTL refers to :

1) Vertical tool lathe 2) Vertical turret lathe 3) Vertical thread lathe 4) Vertical taper lathe

326] The temperature at which oil turns into steam of evaporates:

1) Fire point 2) Pour Point 3) Flush Point 4) Acidity

327] Which one of the following process can't be performed o a Engine lathe?

1) Facing 2) Threading 3) Knurling 4) Honning

328] Which one of the following is a Geometric Dimensioning?

1) height 2) Width 3) Diameter 4) parallelism

329] Snap Gauges are used for checking:

1) External diameter 2) Internal diameter 3) Threads 4) Radius

330] The temperature at which oil stop flowing and start Freezing:

1) Emulsification 2) Acidity 3) pour point 4) Flush Point

331] Necking is:

1) Machining a groove around a cylindrical shaft 2) Drilling a hole in a plate

3) Hole drilled for riveting 4) None of these

332] A Hack saw blade cuts on:

1) Forward stroke 2) Return stroke

3) Both forward and return stroke 4) Depends on direction of force.

333] LPG mainly consists of:

1) Methane and Ethane 2) Propone and Butane 3) Hexane and Butadiene 4) None of these

334] -40 degree C is equivalent to:

1) 172 degree R 2) 273 degree K 3) – 40 degree K 4) – 40 degree K

335] 1 micron is equal to :

1) 10-5 metres 2) 10 – 12 meters 3) 10 – 8 metres 4) 10 – 5 meters

336] The properties of flow in liquid:

1) Oilness 2) Acidity 3) Specific gravity 4) Viscocity

337] In an engine radiator, heat is transferred by:

1) Conduction 2) Convection

3) Conduction and convection 4) Conduction, Convection and radiation

338] Micrometer works o the principle of:

1) Screw 2) Bolt 3) Nut 4) Nut & Screw

339] The coolant generally used while machining with carbide tools is:

1) Kerosene 2) Water 3) Soluble Oil 4) Graphite

340] If a piece of steel is reheated to a temperature of 200 degree to 250 degree Celcius

immediately after quenching the process is known as:

1) Tempering 2) Hardening 3) Annealing 4) Normalising

341] Snap gauge:

1) It is used to check the actual size of the finished job as to whether it lies within the prescribed limit

2) it is a solid cylindrical metal Piece, used to check the size of hole.

3) It is used to check the concentricity of the round jobs.

4) None of these

Page 22: Question With Answer Mechanic Trade May-13

342] a knee is a part of:

1) Lathe 2) Shaper 3) Jig boring machine 4) Broaching machine

343] Acid used in automobile battery is:

1) Sulphuric acid 2) Dilute nitric acid 3) Hydraulic acid 4) Hydro fluoric acid

344] Main alloying element in High Speed Steel is:

1) Chromium 2) Vanadium 3) Tungsten 4) Nickel

345] a master gauge is:

1) A gauge used by masters. 2) Gauge used by all Mechanism

3) A standard gauge for checking accuracy of 4) none of these

Gauges used on shop floors

346] The best position to hold the jobs in the vice when Filing is:

1) Arm level 2) Elbow level 3) Eye level 4) Shoulder level

347] A process of applying oxide coasting on aluminium is known as:

1) Oxidizing 2) Galvanizing 3) Pickling 4) Anodizing

348] Drill sleeve is use when the taper shank of drill is:

1) Smaller than the Machine spindle 2) larger than the Machine Spindle.

3) Equal to the Machine Spindle 4) None of the above

349] The suitable cutting fluid for drilling M.S. Plate is :

1) Soluble Oil 2) Water 3) Compressed air 4) Dry

350] The symbol conventionally used for resinoid bond is:

1) 'V' 2) 'B' 3) 'R' 4) 'E'

351] Railway rails are generally made of:

1) Mild Steel 2) Medium carbon Steel

3) High carbon steel 4) Alloy steel containing 0.8% to 0.9% Carbon

352] Taps are re-sharpened by grinding:

1) Flutes 2) Threads 3) Diameter 4) Relief

353] In a Single start thread:

1) Lead and pitch are equal 2) Lead is double the pitch

3) Pitch is double the lead 3) Lead is half of the pitch

354] The dimensions of a nut is expressed in term of:

1) Head of the bolt 2) Core dia of the bolt

3) Nominal dia of bolt 4) Pitch dia of the bolt

355] The upper portion of a hexagonal nut is chamfered at an angle of :

1) 75 degree 2) 60 degree 3) 45 degree 4) 30 degree

356] The number of Faces of pentagonal prism will have:

1) 6 2) 5 3) 7 4) 8

357] Material used of coating the welding electrode is called

1) Protective layer 2) Binder 3) De-Oxidisor 4) Flux

358] Following gases are used in Tungsten insert Gas Welding:

1) Hydrogen and Oxygen 2) Co2 and H2 3) Argon and helium 4) Argon and Neon

359] Which one of the following nut is used in hacksaw Frame:

1) Ring nut 2) Wing Nut 3) Hexagonal Nut 4) Square Nut

360] Which one of the following key is used in change gears in a lathe?

1) Gib Head key 2) Feather key 3) Wood ruff key 4) Saddle Key

Page 23: Question With Answer Mechanic Trade May-13

361] Which one is the correct Formula for speed ratio of pulley?

1) D(n = d X n 2) D ( d = N X n 3) D ( N = d X n 4) d X N = D X n

362] Interchangeability is normally applied for :

1) Mass production 2) Single piece production 3) Repairing parts 4) All the above

363] A cart rim on a wooden wheel is example for the

1) Clearance fit 2) Driving fit 3) Shrinkage fit 4) Push fit]

364] A Block level can be used for :

1) Checking vertical alignment only 2) Checking horizontal alignment only

3) Checking angular alignment only 4) Checking vertical and horizontal alignment

365] Which one of the following abrasive is used for lapping gauges:

1) Aluminium Oxide 2) Silicon Carbide 3) Diamond 4) Boron Carbide

366] Constant measuring pressure in micrometer screw is ensured by:

1) Locknut 2) Barrel and thimble 3) Ratchet 4) Spanner

367] Which one of the following is not a carburizing salt?

1) Sodium Carbonate 2) Sodium Sulphate 3) Sodium Cyanide 4) Borium chloride

368] Which among the following joints is suitable for roofing work?

1) Lap Joint 2) Butt Joint 3) Hinged Joint 4) Double grooved seam joint

369] Which one of the following accommodates Four pipes in pipe fitting?

1) Elbow 2) Tee 3) Cross 4) Socket

370] Non – return valve permits water supply in:

1) One way 2) Two way 3) Three 4) Four way

371] Which one of the following is the heaviest

1) Electron 2) Proton 3) Atom 4) Neucleus

372] Which parameter is increased by a step up transformer?

1) Current 2) Resistance 3) Voltage 4) Power

373] The value of cos 30 is:

1) 1 2) 0.5 3) 0.856 4) 0.8

374] Buck gear mechanism is providing in cone pulley head stock to:

1) Reduce speed of spindle 2) Increase speed of spindle

3) Reverse the speed of spindle 4) Transmit power from spindle gear to stud gear

375] Jigs are used in:

1) CNC machines 2) Lathe 3) Drilling 4) Forming

376] which one of the following dimensions shows the largest tolerance?

a) 40 + 0.05 b) 40 - 0.01

- 0.02 - 0.05

c) 40 - 0.05 d) 40 + 0.0

- 0.03 - 0.2

377] Which one of the following thread groups is only for transmitting motion ?

a) Square, Acme, buttress Threads

b) Unified, Acme, Square, Threads

c) Withworth, Acme, Square, Threads

d) ISO metric, Modified square, Acme threads

378] Gib adjustments for the ram are to be done?

a) Once in a week b) Once in a month

c) Once in a year d) Once in a five years.

Page 24: Question With Answer Mechanic Trade May-13

379] Quick return mechanism is used in :

a) Milling machines b) Shaping Machine

c) Turret lathes d) Broaching

380] Match the following items :

a) Meter (m) A. 0.001 mm

b) Centimeter (cm) B. 1000 μ

c) Millimeter (μ m) C. 10 mm

d) Micrometer (μ m) D. 1000 mm

Micron

Ans: 1-D 2-C 3-B 4-A

381] Match the following items:

a) 38.1 mm A. 203.2 mm

b) 300 mm B. 1075 mm

c) 8" C. 11.81"

d) 40" D. 1.49"

Ans: 1-D 2-C 3-A 4-B

381] Match the following Temperature with colors :

a) 1000º A. White

b) 1100º B. Yellowish White

c) 1200º C. Yellow

d) 1300º D. Bright cherry red

Ans : 1-D 2-C 3-B 4-A

382] Match the following Polygon with side

a) Nonagon A. 12 sides

b) Decagon B. 11sides

c) Dodecagon C. 10 sides

d) Doudocagon D. 9 sides

Ans: 1-D 2-C 3-B 4-A

383] Match the following tapers

a) Morse tapers A. 1: 20

b) Metric tapers B. 1:50

c) Pin tapers C. 1: 100

d) Key and key way D. 1:19:002 to

tapers 1:20: 047

Ans : 1-D 2-A 3-B 4-C

384] The tool used to get ' Good Finish' for a hole:

1) Drill 2) End Mill 3) Reamer 4) Tap

385] Match the following metals with melting points:

a) Mild steel A. 659º

b) Metric tapers B. 1085º

c) Pin tapers C. 1150º

d) Key and key way D. 1500º to

tapers

Ans : 1-D 2-A 3-B 4-C

385] Match the names of the steel plant states:

a) Visweshavaraiah Iron steel A. Karnataka

b) India Iron & Steel B. Orissa

c) Tata Iron & Steel C. West Bengal

d) Rourkela Steel Plant D. Jharkhand

Ans : 1-A 2-C 3-D 4-B

Page 25: Question With Answer Mechanic Trade May-13

389] Cooking gas cylinder contains fuel the form of:

1) Solid 2) Liquid 3) Gas

390] Newton's law is related to:

1) Volume 2) Space 3) Force 4) Elasticity

391] The voltage of power supply in domestic use is volts:

1) 110 V 2) 220 V 3) 250 V 4) 440 V

392] HAL is a :

1) Public Sector 2) Private 3) Co-operative Society 4) Mulit-National Co.

393] Vanadium is used in ___________ to obtain better cutting parameter:

1) Stainless Steel 2) Cast Iron 3) H.S.S. 4) Aluminium

394] The number of taps in a hand tapping set is

1) 1 2) 2 3) 3 4) 4

395] Commonly used polishing wheels are constructed of:

1) Leather 2) Felt 3) Canvas 4) All the above

396] Sum of angles in a triangle is:

1) 360º 2) 90º 3) 180º 4) 270º

397] Buffing wheels are made of:

1) Cotton Cloth 2) Linen 3) Wood Discs 4) ALL THE ABOVE

398] Thread plug gauge are used to check:

1) Internal diameter 2) External diameter 3) Depth 4) Internal thread

399] Bore gauges are used to measure:

1) Thickness 2) Depth 3) Internal diameter 4) External diameter

400] A hand vice is used for clamping:

1) All Items 2) Big items 3) Small items

401] Which of these is a machine tool?

1) Generator 2) Lathe 3) V – tool 4) Pump

402] File used for fitting radius in corners is:

1) Flat file 2) half rough file 3) Round file 4) Square file

403] In right angle triangle, hypotenuse:

1) Shortest side 2) Medium 3) Longest side 4) Vertex

404] Two main purposes of adhesives are:

1) Riveting 2) Fastening 3) Sealing 4) Both B & C

405] Jet Engine is used in:

1) Motor cycle 2) Bus 3) Aircraft

406] Corrosion is __________ of the parent metal.

1) Oxide 2) Nitride 3) Sulphate

407] Enamel paint has __________ as a base.

1) Water 2) Oil 3) Gas

408] Quality is concerned with:

1) Inspections department 2) Operators & Supervisors

3) Planning & Administration 4) All the above

Page 26: Question With Answer Mechanic Trade May-13

409] ISO 9000 relates to :

1) ISRO Satelite Operations. 2) 3D Projecting of a drawing

3) Quality Management System 4) International secret Operations 9002

410] The heavy duty power hammer can be installed using:

1) Concrete Foundation 2) Concrete floor 3) Anti- vibration 4) Both B & C

411] Leveling of precision grinding machine may be done using a:

1) Vernier Micrometer 2) Dial Test Indicator 3) Sencitive Spirit level 4) Both a & b

412] Steel will get hardness because of the allying element added to Iron:

1) Oxygen 2) Carbon 3) Mercury 4) Granite

413] Leveling bolts are used for:

1) Adjusting the height of the machine 2) Supporting the load of the machine

3) Rigidity of machine 4) Both b & c

414] A Die stock is a:

1) Tool for holding threading dies 2) Job on which external threads are cut

3) Place for storing dies 4) None of these

415] In the pipe assembly the hemp packing is used:

1) for easy engagement 2) To fill gap between threads

3) To avoid leakage 4) To get right fitting

416] The unit of power is:

1) Calorie 2) Volt 3) Ampere 4) Walt

417] The bull gear wheel is driven:

1) By a pinion 2) By a shaft 3) By sliding block

418] Which one of the following is not case hardening treatment?

1) Carburizing 2) Nitriding 3) Flame hardening 4) Tempering

419] Malleability is the property by means which the metal can be:

1) Rolled 2) Milled 3) Machined 4) None of these

420] Hook's law is associated with:

1) Pressure 2) Thermal expansion 3) Stress 4) Force

421] The pitch diameter of an external threads can be measured by using:

1) Screw thread micrometer 2) Screw Pitch gauge 3) Thread ring gauge 4) All of these

422] The two most common bearing lubricants are:

1) Lubrex 57 and 68 2) Lubrex 58 and 67 3) Lubrex 47 and 38 4) None of the above

423] Which one of the following is a non-conventional machining process?

1) Honing 2) Reaming 3) Electro Chemical Machining 4) Spraying

424] which one of the following represents centre line in drawing practice?

1) ― ― ― ― ― ― ― ― ―

2) – – – – – – – – – – – – – –

3) ……………………………

4) None of the above

Ans: 1

425] Spur gear can be manufactured by which of the following methods:

1) Milling 2) Hobbing 3) Shaping 4) All of these

426] Bonding is the term associated with:

1) Lapping – compound 2) Milling cutter 3) Grinding Wheel 4) Twist drill

Page 27: Question With Answer Mechanic Trade May-13

427] A screw is specified by:

1) Major diameter 2) Minor diameter 3) Pitch diameter 4) Pitch

428] Taps are used for:

1) Cutting external threads 2) Cutting internal threads

3) Grinding purposes 4) Turning operations

429] The common form of a gear tooth is known as:

1) Convex curvature 2) Concave curvature 3) Involutes form 4) None of the above

430] Taper plug gauge is used to check:

1) Diameter 2) Length 3) Diameter & amount of taper 4) Taper

431] Clearance is commonly measured with a

1) Feeler gauge 2) Snap gauge 3) Plug gauge 4) Sine bar

432] Low carbon steel containts:

1) 0.15% to 0.3% 2) 0.20% to 0.60 of carbon

3) 0.60% to 1.3% of carbon 4) None of the above

433] Operations involved in the heat treatment of steel:

1) Normalising 2) Annealing 3) Quenching 4) All the above

434] Oil is lighter than water because:

1) It dissolves inn water 2) It floats on water

3) It sinks in the water 4) It does not mix with water

435] Decimal equivalent of 1/16 is:

1) .0625 2) .015625 3) .03135 4) .046875

436] Tarbequals to:

1) sinJ/cosJ 2) 1/ cos J 3) Cos J/ Sin J 4) 1/secJ

437] PERT Stands for :

1) Project Examination & Review Techniques 2) Project Evaluation & Review Techniques

3) Project Execution & Reporting Techniques 4) Project Execution & Results Techniques

438] Crack in grinding wheel is developed due to:

1) High temperature 2) Over speed of wheel 3) Low speed of wheel 4) All of the above

439] Silicon carbide is associated with:

1) Turning 2) Milling 3) Grinding 4) All of the above

440] While metal cutting coolant is used for:

1) Taking away the heat of machining 2) Providing better finish to machined part

3) Removing heat and providing better finish 4) Protect the operator

441] Value Engineering is an application:

1) To assess the value 2) For image building 3) For cost reduction 4) To increase the value

442] Which one of the following key is semicircular in shaper?

1) Saddle key 2) Feather Key 3) Wood ruff key 4) Gib head key

443] Material having lowest temperature co-efficient of resistance is:

1) Gold 2) Aluminium 3) Silver 4) Copper

444] Insulation failure in transmission lines is due to:

1) Bridging of conductors by birds 2) Decrease of die-electric strength

3) Poor quality of wire 4) All of the above

445] Surface finish on a super lapped surface may be equal to:

1) 8 micro inches 2) 128 micro inches 3) 1000 micro inches 4) 64 micro inches

Page 28: Question With Answer Mechanic Trade May-13

446] 5 microns are equivalent to:

1) 0.0015 meter 2) 0.00010 meter 3) 0.00002 meter 4) 0.000005 meter

447] which one of the following key may be screwed to the shaft?

1) Saddle 2) Feather 3) Taper 4) Woodruff

448] a measuring instrument should be:

1) Accurate 2) Precise 3) Good shape 4) Repeatable in measurement

*449] write the correct Trigonometric expression for Opposite Side/ adjacent side.

1) Cos 2) Sine 3) Tan 4) Secant

450] In an interference fit the shaft should be:

1) Oversize than the bore 2) Equalize than the bore

3) Undersize than the bore 4) under or oversize then the bore

450] Carbide tipped tool used for turning hard material is provided.

1) Side rake angle 2) back rake angle 3) positive rake angle 4) Negative rake angle

451] the plastics which are formed is to shape by the application of heat and pressure without any

chemical change are known as:

1) Thermo setting plastics 2) Thermo plastic 3) Instruments

452] couplings are used to connect the shaft, when the shafts are:

1) The joined permanently 2) to be disconnected often

3) in misalignment 4) To be disconnected often and to compensate a

Misalignment between two shafts.

453] The cutting angle for chisel for chipping of Mild steel.

1) 45 º 2) 30º 3) 55º 4) 68 º

454] The Jig is made from a single block of steel to the smaller work piece is called..

1) Channel jig 2) Sandwich jig 3) box jig 4) Solid jig

455] A block Spirit level is used for checking the

1) Horizontal level only 2) Vertical level only

3) Horizontal & Vertical only 4) Angular alignment only

456] The value of one thimble scale division in a metric micrometer is

1) 1 mm 2) 0.5 mm 3) 0.02 mm 4) 0.01 mm

457] Which type of fir tis used in the inner race with shaft while mounting a ball bearing>

1) Precision slide 2) Large Clearance 3) Loose running 4) Interference

458] Which screw is used to connect the collar and shaft in a position?

1) Hexagonal socket set screw 2) Square head screw

3) Hexagonal head screw 4) Pan head screw

459] The main purposes of screw pitch gauge is..

1) To check the minor diameter of screw thread 2) to check the limits of screw thread

3) to check the distance between adjacent crest, 4) to check the major diameter of screw thread.

of screw thread

460] The soft material particles get clogged in the grinding wheel while grinding. This is called

1) Truing 2) Loading 3) Glazing 4) Dressing

461] Normal hardening temperature of less than 0.83 % carbon plain carbon steel is..

1) below the upper critical range 2) above the upper critical range

3) below the lower critical range 4) above the lower critical range

462] The measuring stylus of a mechanical surface indicator is made of..

1) Tool steel 2) Carbide 3) Diamond 4) Cast alloy

Page 29: Question With Answer Mechanic Trade May-13

463] If the dimension of a component is finished within the limits of size, then it will be.

1) Minimum size 2) Basic size 3) Acceptable size 4) Rejected size

464] What will happen if the spindle thread are worn out in agate valve?

1) Value hard to turn 2) Loud noise when turn the valve

3) Water flow around the stuffing box 4) Valve will not close or open when the spindle turns

465] Why the woodruff keys are used on small tapered shafts with assembly?

1) It takes heavy load 2) It takes the shear stress

3) It is easy to fit and self align with key way of hub 4) It is less expensive

Advantages of:

466] what are the Advantage of Surface plate?

1) To measure the smoothness of the job 2) To check or mark angle of job with helps of sine bar

3) To measure right angle of job 4) To check the jobs produced in less time to

5) To measure a job with a dial test indicator

467] what are the advantage of surface gauge?

1) To draw lines parallel to its base 2) To find out the centre of cylindrical and square rods

3) To draw lines parallel to plain arm of a job 4) To properly Focus the job on the lathe.

5) To draw parallel line like height gauges on normal job

468] what are the advantages of Gauges.

1) Their use saves time as a number of jobs can be check in little time

2) Semi skilled technicians can also help in production by using these gauges.

3) There is no need of Employee for inspection and examination at production stage.

4) There is a little possibility of defects in the jobs

5) Rate of Production is increased

469] what are the advantages of slip gauge or Gauge block?

1) To verify Micrometer and Vernier caliper 2) To set adjustable gauge such as snap gauges.

3) To use sine bar 4) for exact Marking of job

5) To make solid snap gauge and caliper 6) to verify Measurement of a job with help of comparator

470] what are the advantage of Heat Treatment?

1) Hard metal can be softened 2) Soft metal can be hardened

3) Metallic job can be made machinable 4) Inner Structure of Metal can be changed

5) The mechanical Properties of metal such as Tensile Strength and compressive Strength can be

decreased or increased

471] what is the Advantage of anti Corrosive Treatment?

Ans: These treatments improve life and out-look of a job

472] what are the advantages of Threads?

1) To join two parts of a machine like nut bolt and stud

2) To get mechanical levers for lifting Weight such as chain pulleys jockey etc.

3) To accuracy in precision instruments like micrometer

4) For transferring the mechanical power

5) For speed control purpose

473] what are the advantage of cutting Fluid (Coolant)

1) If acts as a lubricants the tool and job 2) It increases the working life of a tool

3) It improves the job finish 4) It does not allow the chips to stick at the tool

5) It increases cutting speed 6) It protects the cutting edges of tool against any possible

damage at a high temperature

474] what are the advantages of Grinding?

1) Jobs can be made true to the given measurement 2) A fine finish can be given to the job

3) Unnecessary metal cutting is avoiding 4) Production time is saved

5) Production cost is reduced and overall production is increase.

Page 30: Question With Answer Mechanic Trade May-13

475] what are the Advantage of Honing?

1) Eliminates frictions

2) makes surface smooth 3) Provide easy movement of the machine parts

476] what are the advantages of lapping?

1) The surface is made fine and bright

2) The machine parts moving under frictions don‟t get heated up much

3) The possibility of rusting up much

4) The Accuracy of job can be obtained up to o.ooo1 inch

477] what are the advantages of interchangeability?

1) A similar part from any company can be fitted without any difficulty.

2) It takes little time to change a machine parts.

3) It takes less time to fit a machine 4) Rejection of these parts is less

5) Production increases and it save time 6) The production cost of these parts is less

478] what are advantage of jigs and Fixture and template?

1) The production is increased because the job does not require marking

2) After setting the job once we can do a number of operations

3) Semi skilled or less experience technician can be also increase production

4) The job so produced is liable to be interchanged in the machines of the same type

5) Cost of production is less

479] what are the advantages of Mandrel?

1) For turning the job along with entire length 2) For making identical external dia

3) For turning at the outer surface of a job having a hole along the center line

4) For speeding up the production process

480] what are the advantage of Forging?

1) Tensile strength of metal is reduced and plasticity is developed in the metal

and thus a desire shape can be given to it

2) Drawing out, jumping and bending of metal can be done easily

3) a job can be finished fastly after forging

4) There is a little wastage of metal

481] what are the advantage of Bearing?

1) It provides a stable speed to a shaft 2) It provides a strong support to the shaft

3) Lubrications is possible between housing and shaft

4) If enables the machine to run at a higher speed

5) Machine parts don‟t wear out fastly

6) It saves power and time

482] what are the advantage of Anti Frictional Bearing?

1) Friction is reduced to minimum even at high speed

2) The abrasion of the shaft is negligible\

3) Bearing can be replaced easily

483] what are the advantage of Gears?

1) Power transmitted easily without noise 2) Transmission speed can be reduced

3) Direction of speed can be reduced and increased 4) this medium functions for a long time

Without any abstraction

484] what are the advantage of preventive maintenance?

1) To avoid sudden break down of machine 2) Damage of costly parts is avoid

3) Shut down of production is avoided 4) Longer life of equipment is ensured

5) Possibility of serious accidents is minimized

6) Preventive maintenance is less costly than Breakdown

7) Preventive maintenance is less costly than break down maintenance

Page 31: Question With Answer Mechanic Trade May-13

SPECIFICATION AND CLASSIFICATION

485] How is taper Specified?

The taper is specified by: 1) Angle of taper 2) Size of component

486] How is the size of Allen key is identified?

The size of Allen Key is identified by the size across the flat of the HEXAGON

487] how is sine bar specified

The sine bar specified by its length

488] How is Screw driver Specified?

Screw driver are specified according to the – length of the blade- width of the blade

489] How 'Engineer's' square specified?

Engineer's squares are specified by their nominal length, grade of accuracy and type

490] how are lubricants classified?

Lubricants classified as 1) Liquid Lubricants 2) Solid Lubricants 3) Semi solid or semi liquid

lubricant

491] how the circlips classified?

Circlips classified as 1) Axially assembled 2) Radially assembled rings

492] how synthetic adhesive classified?

a. Thermoplastic Adhesive b. thermosetting adhesive

493] how a screw is specified

The screw specified by major diameter

494] how a bearing specified?

Bearing specified by its types, boundary dimension

1) Bore dia 2) Outer dia 3) Width of bearing and other special features

495] how a common pipes classified?

The common pipes classified according to materials are:

1) Galvanized Iron pipes 2) Mild steel pipes 3) Cast Iron pipes

2) P.V.C. pipes 5) Rubber pipes 6) Plastic pipe etc.

496] How are snips are specified?

Snips are specified by the overall length and shape of the blade

497] how Hacksaw blade specified

Hacksaw blade are specified according to their length, pitch and type

498] how a size of bench vice specified?

The size of bench vice is specified by their weight and the shape of the pain.

499] How Engineers' Hammer are specified?

An Engineers hammers are specified by the type of their joints and length

500] how the dividers specified

Dividers are specified by their Joints and length

501] how a reamer specified?

The reamer is specified by their type, flute, shank and size

502] how a surface plate specified?

The surface plates are specified by their length, breadth, grade and the Indian standard number

(2000 ҳ 1000 ҳ Gr is 2285)

503] Write the correct Trigonometric expression for opposite side/ adjacent side

a. Cos b. Sine c. Tan d. Secant

504] In an intereference fir the shaft should be:

a. Over size than the bore b. Equal size than the bore

c. Under size than the bore d. Under or oversize then the bore

Page 32: Question With Answer Mechanic Trade May-13

505] Write the correct trigonometric ratio to 1/cosine

a. Cot J b. Secant J c. Cosecant J

506] Drawing is the:

a. Language b. Instrument c. Graphics d. None of these

508] Match the punches with uses:

1. Centre Punch a. for punching witness marks

2. Prick punch 30º b. for locating holes

3. Dot punch 60 º c. for punching of divider points

Ans: 1-B 2-C 3-A

509] Match the materials with point angles

1. Aluminium a. 65º

2. Mild steel b. 60º

3. High carbon steel c. 55º

4. Cast Iron d. 30º

Ans : 1 – d 2 – c 3 – a 4 – b

510] Match the Fitters with their works:

Fittters Their works

1.Machine a. He makes pipe fitting works

2. Bench Fitter b. He repaires a part of a machine

3. Pipe Fitter c. He makes assemble or produce a machine

Ans: 1-c 2-c 3-a

511] Match the following files( According to shape ) with uses:

File Uses:

1. Flat file a. for filing at right angle to the finished surfaces already finished

2. Hand file b. for general purposes

3. Square file c. for filing square holes, corners, keyways, splines

Ans: 1-b 2-a 3-c

512] Match the following:

1. All hard blade a. It is gives a better grip and control while saving

2. Flexible blade b. The distance between a adjacent teeth hardened

to full length between the pin hole

3.Adjustable frame c. Only teeth are hardened

Ans: 1-c 2-d 3-b 4- a

513] Small hole gauges are used to measure hole and slots:

a. Below 10 mm b. Below 12.7 mm c. Below 20 mm d. Below 20.7 mm

514] Match the following:

1. Eutectoid Steel a. Steel which contains 0 to 0.8 % carbon

2. Hypereutectoid steel b. Steel which contains 0.8% to 2.1 % carbon

3. Hypoeutectoid steel c. Steel which contains 0.8 % carbon and structure of carbon is

pearlite

Ans : 1-c 2-b 3-a

515] in open- hearth process, the hearth is heated using:

a. fire b. Producer gas c. Electric d. None of these

516] The most suitable heating temperature for forging Low carbon steel is:

a. 720ºC b. 1100ºC c. 1600ºC d. 1300ºC

517] Folding machines are specified according to the:

a. Maximum length and thickness of the sheet that can be sent

b. Minimum lengths and thickness of the sheet that can be sent

c. None of these

Page 33: Question With Answer Mechanic Trade May-13

518] During Arc Welding, the correct angle of the electrode with the welding line is

a. 90º b. 40º-50º c. 70º-80º d. 45º

519] The current range for a M.S. Electrode 4 mm Ј is:

a. 150 to 250 amps b. 70 to 110 amps c. 130 to 170 amps d. 60 to 90 amps

520] Stag entrapping in a weld is called:

a. Under cut b. Porosity c. slag inclusion d. incomplete penetration

521] Standard drill angle is equivalent is:

a. 125º b. 106º c. 118º d. 90º

522] High surface finish is obtained by:

a. Turning b. Milling c. Grinding d. Lapping

523] If the weld metal fails to reach the root of the joint the defect is called:

a. Slag inclution b. Incomplete penetration c. Undercut d. Porisity

524] The shaft angle are centre drilled for:

a. supporting jobs between centres b. Lubricating the dead centre

c. Reducing the weight d. Assisting punter boring

525] Hexagonal Nut having No. of faces:

a. 16 b. 4 c. 8 d. 6

526] an operation in a lathe diameter is increased after operation is:

a. Knurling b. Thread casting c. Taper Turning d. Boring

527] Use of Hand gloves are:

a. For human body not getting strained b. To prevent finger print forming on job

c. for safety requirement d. To concentrate more on work

528] which one of the following tool is used for holding heated jobs?

a. Plier b. Shovel c. tongs d. C Clamp

529] A body recovering original dimension when the applied load is removed is known as:

a. Brittle b. Plastic c. Annealed d. Elastic

530] What is meant by NC in manufacturing?

a. Nitric Chloride b. Nitro Carbide c. Numerical Control d. Number Code

531] Aluminium is mainly used in Aircraft because of:

a. Bright finish b. Less cost c. Easily available d. Light weight

532] Broaching is a:

a. Inspection process b. Photographic Process

c. Administrative Process d. Manufacturing Process

533] The material used for grinding wheel

a. Boric Oxide b. Brass Oxide c. Aluminium Oxide d. Iron Ore

534] SWG means:

a. Safety Welding Gloves b. Standard Wire Gauge

c. Servicing wire Gauge d. Screw Worm Gauge

535] Which is the hardest material among the following:

a. Aluminium b. Steel c. Diamond

536] Dovetailing and keyway cutting can be done on:

a. Boring machine b. Drilling machine c. Lathe d. Shaper

Page 34: Question With Answer Mechanic Trade May-13

537] A Follower steady is held on the:

a. Lathe bed b. Lathe saddle c. Lathe spindle d. Tail Stock

538] '65 HRC' corresponds to:

a. Hardness b. Chemical Composition of HSS

c. Horse Power of 65º d. Count of Human Red Cell

539] White colour is a mixture of:

a. Red & Blue b. Red & Green c. Blue & Green d. Seven colours

540] When the taper is expressed as a 1:10 ration and length of the job is 100 mm then the offset is

equal to:

a. 5mm b. 10 mm c. 25 mm d. 1 mm

541] A Nut is to be made for a screw of M10 X 1.5 what should be size of drilled hole?

a. 10 mm b. 9.5 mm c. 9.0 mm d. 8.5 mm

542] Which one of the following is used for removing a broken tap?

a. Tap Nut b. Tap Wrench c. Tap Extractor d. Tap Disposer

543] Parallels and V-blocks made in two grades:

a . Grade A and B b. Grade C and D c. Grade A and D d. Grade C and B

544] If steel is heated to a suitable temperature and then slowly cooled the steel will be:

a. Soft weak and ductile

b. Hard and brittle

543] If steel is heated to a suitable temperature and then rapidly cooled ( quenched ) the steel will

be:

a. Soft weak and ductile

b. Hard and brittle

544] A.C.P. Means:

a. Adjustable Cement pipe b. asbestos cement pipe

c.Alternative Channel pipe d. Attach Centre pipe

545] Vice clamps are used to:

a. Protect the finished surfaces of the jobs b. Hold the job firmly

c. protect the serrated jaws of the vice d. Protect the file

546] the vice is used for:

a. Holding odd shaped small work pieces b. Fixing the pins

c. Holding the pins d. Holding the studs.

547] The hand vice is used for:

a. Fixing heavy jobs b. tightening nuts and bolts

c. Holding round jobs d. Doing minute work

30.

548] R.P.M. Means:

a. Remove Chips per minutes b. Revolution per Minutes

c. Red Color properties of Metal d. Rapid cut per minutes

549] Taper plug gauge is used for checking:

a. Taper holes b. Diameter of strait holes

c. Minor dia of internal threads d. External taper of cylindrical jobs

550] Plain Ring gauge is used for checking:

a. Major diameter of external threads b. internal diameter of cylindrical parts

c. External diameter of cylindrical parts d. Taper holes.

Page 35: Question With Answer Mechanic Trade May-13

551] Double cut file is used of filing on:

a. Steel b. Wood c. Leather d. Card board

552] Taper ring gauge is used for checking:

a. External Taper b. Internal Taper c. External thread d. Internal thread

553] File card is used for:

a. Removing Chips b. Cleaning the file teeth

c. cleaning the file work piece d. Renewing the file teeth

554] Rough file is used:

a. On wood b. On irregular jobs

c. To reduce the metal rapidly d. If smooth file is not available

555] Silver Brazing is used for:

a. Joining dissimilar metals b. Brazing of Tungsten carbide tips

c. Joining electrical parts receiving high electrical conductivity

d. All the above

556] In silver brazing the flux is used for:

a. Removing the impurities from the weld b. Chemically cleaning the base metal

c. Allowing the molten to flow easily d. All the above

557] a tab washer is used for:

a. Avoiding Vibration b. Locking the nuts c. Self Locking d. Fastening fabrication work

558] A plain washer is used for:

a. Cover the clean once hole of the job b. Improve appearance of the job

c. Distribute the force to the nut d. Distribute the force over large area

559] Thread Ring gauge is used for checking:

a. External thread b. Internal thread

c. External diameter of cylindrical job d. internal diameter of jobs

560] Grade – 1 slip gauge are used in :

a. work shop by operator b. Inspection room

c. Either 'a' or 'b' d. Neither 'a' nor 'b'

561] Buttress threads are most commonly used for:

a. Transmission of motion b. Positioning of mechanical parts

c. Special bolts and unity in structural work d. Resisting force exerted in one direction only

562] A key is a device used to:

a. Start the machine b. Stop the machine c. Fasten the matting parts d. control the machine

562] B.S.F. screw threads are generally used for:

a. Vice spindle b. Lather lead screw c. Ordinary bolt and nuts d. Electric goods

563] Spring washer are used under nuts to prevent:

a. Damage to the job b. Damage to the nut

c. Damage to the bolt d. Slackness on nuts due to vibrations

564] a split pin is used locking purposes in:

a. Flanged Nut b. Square Nut c. Chuck Nut d. Castle Nut

565] Clutches are used where:

a. Machine requires repair

b. Speed of machine is changed after stooping driving unit

c. Speed of machine can be changed without stopping the driving unit

d. None of the above

Page 36: Question With Answer Mechanic Trade May-13

566] Couplings are used to join when it is required to:

a. Disconnect the shafts b. Couple the misaligned shafts

c. Couple the shafts permanently

d. Disconnect the shafts when required and also to compensate a little misalignment

567] Jockey pulley is used with:

a. Cross belt drive b. Open belt drive c. Quarter twist drive d. None of the above

568] A reamer is used for:

a. Drilling holes in thin sheets b. drilling deep holes

c. Removing Burrs d. Enlarging and finishing holes

569] Parallel blocks are used for:

a. Marking parallel lines along and edge b. Levelling machine tools

c. Cutting parallel keyways d. Setting work pieces horizontal

570] a welding rectifier is used for:

a. Convert A.C to into a D. C. welding supply b. Generate a D.C welding supply

c) Convert D.C. welding supply into A.C. welding supply d) Convert a D.C. main supply into an A.C. main

583] A welding transformer is used to:

a. D.C. main supply in to an AC welding supply b. A.C. main supply in to a Dc welding supply

c. A.C. main supply into AC welding supply d. D.C. main supply into DC welding supply

584] The driving plates are used for:

a. For internal operation only b. Facing operation only

c. Mounting fixtures with work piece d. Rotating shafts between centers

585] The basic function of cutting fluids are:

a. cleaning and lubrication b. cool the tool and work pieces

c. cooling and flushing chips away from the cutting area d. Facilities chip removal and lubrication [

587] Lubricant is used for

a. Run the machine quickly b. stop the machine immediately

c. Run the machine smoothly taking least load d. Produce work piece of greater accuracy

588] Leveling bolts are used for:

a. Rigidity of machine b. Supporting the load for machine

c. Adjusting the height of machine d. None of the above

589] Drill jigs are used for:

a. Guiding the tool only b. Drilling operations only

c. Clamping the job when drilling d. Drilling, reaming, tapping and other allied operation

590] The main purposes of annealing is:

a. to improve machinibility b. to increase hardness

c. to increase toughness d. to improve magnetism

591] Fullers are used for

a. Drawing down b. Necking and grooving

c. Forming head of rivets, bolts etc. d. Making shoulders with right angles

592] Chain slings are used for:

a. Light load b. Heavy load c. Medium load d. None of the above

593] Rope slings are used for

a. heavy load b. Light load where chain may damage the loads

c. both of above d. None of the above

594] Gate valve is used in pipe line to let water flow in

a. One direction b. Two direction c. Three directions d. Four direction

595] Globe valve is used in pipeline to let water flow in

a. One direction b. Both direction c. any direction d. None of the above

Page 37: Question With Answer Mechanic Trade May-13

596] Thumbler gear quadrant is used for:

a. increasing the spee3d of the spindle b. Decreasing the speed of the spindle

c. Changing the direction of spindle d. changing the direction of rotation of the lead screw

597] which jig is used for drilling on thin sheet

a. Solid jig b. Post jig c. Table jig d. Sandwich jig

598] Lather half centre is used:

a. To support work piece always b. To turn long work piece

c. because it is easy to lubricate the work piece d. To face work piece up to the end of the centre hole

599] The cross cut chisel is used for

a. cleaning the corners b. cutting on keyways c. Plain chiseling d. Remove burrs

600] Bevel gears are used to transmit:

a. Parallel motions b. inclined motion c. Perpendicular motion d. None of the above

601] Collets are used for holding:

a. Cutting tools b. spindle c. Gear d. Drives

602] Grinding operations is used for

a. Shaping b. Forming c. Dressing d. Finishing

603] Hot chisel is used in:

a. Fitting shop b. Carpenter shop c. Black smithy shop d. Sheet metal shop

604] Brass is an alloy of:

a. Lead and zinc b. Copper and zinc c. copper and tin d. Tin and zinc

605] Bronze is and alloy of:

a. Copper and zinc b. Lead and zinc c. Copper and tin d. Tin and zinc

606] Gun metal is an alloy of copper

a. Lead and zinc b. Tin and zinc c. lead and nickel d. Zinc and nickel

608] Spelter is an alloy of:

a. Lead and Zinc b. Copper and Zinc c. Tin and Zinc d. Zinc and nickle

609] Solder is an alloy of:

a. Tin and zinc b. Lead and tin c. Lead and tin d. Zinc and Nickel

610] soft solder is an alloy of:

a. Tin and zinc b. Lead an d tin c. Tin and Nickel d. Lead and zinc

611] Bell metal is an alloy:

a. Lead and tin b. Copper and tin c. Tin and Nickel d. Lead and Zinc

612] Munts metal is an alloy of

a. Copper and zinc b. Copper and Tin c. Copper and Aluminium d. Copper and Nickle

613] White metal is an alloy of

a. Copper and Tin b. Copper, Zinc and Tin

c. Copper, Lead, Tin and Antimony d. Copper, Zinc, Tin and Antimony

614] Monel metal contains:

a. Nickle and aluminium b. Nickel and copper

c. Nickel and Chromium d. Nickel and zinc

615] Carbon content in cold chisel is:

a. 0.6 to 0.7% b. 0.85 to 0.95% c. 1.0 to 1.2% d. 1.2 to 1.4%

616] Carbon percentage in H.S.S. tool

a. 0.75 to 1.00% b. 1.00 to 2.00% c. 0.60 to 0.75% d. 0.20 to 0.30%

617] High carbon steel contain:

a. 0.7 to 1.5 % b. 1.2 to 1.4 % c. 0.6 to 0.7 % d. 0.15 to 0.3 %

Page 38: Question With Answer Mechanic Trade May-13

618] An operator who does fitting something is called

a. Fitter B. Turner c. Machinist

619] Fitter is also called:

a. Electrician b. Technician c. Good person

620] This calipers is used while marking the centre of a round bar:

a. Outside caliper b. Vernier caliper c. Jenny Caliper

621] While marking curved lines, use the:

a. Offset scriber b. Jenny caliper c. Divider

622] Surface plates are used for marking because:

a. They can withstand the weight of heavy components b. The have large surface area

c. Marking tools can slide over easily d. They provide the datum surface

623] the vice spindle has:

a. Square threads b. Acme threads c. V threads

624] while fixing the fitter's vice on the bench, the normal height would be:

a. Equal to the operators shoulder

b. 400 mm from the ground level

c. 40 inches from the ground level.

625] The flat chiesel has a slight convexity on the cutting edge because

a. To control the temper b. To move along the line freely c. To resist blows on deep cutting

626] To know the length of hacksaw blade measure it from:

A. End to end b. One pin hole to other pin hole c. The centre of the two pin holes

627] To determining the length of a file, it may be measured from:

a. tip to shoulder b. Tip to tang c. Tip to inner heel

628] Draw filing is done:

a. to keep up the accuracy b. before wing smooth file c. for best finishing

629] A ferrule is fixed in the file handle

a. For fancy b. to grip the fire c. to prevent the handle from damage

630] The web of a twist drill is:

a. Reducing the friction b. leading the speed c. The back bone of the cutting edges

631] The tapping hole should be:

a. Equal to the tap size b. Equal to the minor diameter c. Larger than the tap size

632] Before using a micrometer:

a. Clean the parts b. Wash your hands c. Check up the zero error

633] The lock nut is provided in the micrometer

a. To control the spindle b. To lead the spindle c. To measure the job accurately

634] The micrometers have threads of.

a.B.S.F. b. B.S.W. c. B.A. threads

635] The heavy and rigid screw driver is:

a. Philips b. American c. London Pattern

636] A minute gap is measured by a

a. Fillet gauge b. Wire gauge c. Feeler gauge

637] The worm gear is fitted for

a. Increase the speed b. Change the direction c. Control the matting gear

638] Dressing is necessary for a grinding wheel

a. To make perfect round b. To improve the cutting action of the abrasive

c. Making the abrasive to dull

Page 39: Question With Answer Mechanic Trade May-13

639] When you hear a terrible sound from a working machine?

a. Run away to escape by nearest gate b. put off the switch immediately

c. Ring the danger alarm bell

640] Which files are particularly useful for filing at right angles to the finished surface

a. Flat file b. Hand file c. Bastard file

641] Coke is produced from:

a. The hearth b. coal c. Charcoal

642] Telescopic gauges are used to measure holes and shafts:

a. From 10 mm to 100 mm b. from 12 mm to 152 mm

c. from 12.7 mm to 152.4 mm d. None of the above

643] A special feature of the radial drilling machine is:

a. It can be used for drilling with a H.S.S. drill b. Table can be moved and set at any position

c. A variety of speeds is available d. The spindle can be brought to any position

644] When the taper shank of the drill is larger than the machine spindle the device to hold the drill

is a:

a. Drill sleeve. b. Taper socket c. Drill drift d. Chuck and key

645] The suitable cutting fluid for precision grinding is:

a. Soluble oil b. Synthetic soluble oil c. Neat oil d. Serve Cut "S"

646] The Morse taper provided on drills ranges between:

a. MT 1 TO MT 5 b. MT 1 TO MT 4 c. MT 0 TO MT 5 d. MT 0 TO MT 4

647] The sensitiveness of spirit level depends upon the:

a. Size of the bubble b. Length of the glass tube

c. Type of liquid filled in the glass tube d. Curvature of the glass tube

648] The difference in reading between the minor and major load is taken into account in:

a. Brinnel hardness test b. Ghore method test c. Rockwell hardness test d. Vicker hardness test

649] The external threads on G.I. pipes are cut easily by:

a. Tap sets b. Dies and die stocks c. Centre lathe d. Thread rollers

650] You have to file on aluminium block to a smooth finish which one of the following cut of type is

most suitable

a. Double cut b. Curved cut c. Rasp cut d. Single cut

651] In micrometer, graduations is marked on:

a. Anvil b. thimble c. Spindle

652] Which one of the following chisel is to be used for chipping the grooves?

a. Flat chisel b. Cross cut chisel c. Half round nose-chisel d. Web chisel

653] What coolant is suitable for drilling cast iron?

a. Kerosene b. Water soap emulsion' c. No coolant d. Soluble oil

654] Which one of the following is an artificial abrassive?

a. Emery b. Diamond c. Corrundum d. Silicon carbide

655] Which one of the following cutting fluids is used during grinding mild steel?

a. Mineral oil b. Non synthetic cutting oil c. soluble oil d. paraffin

656] Mushroom headed chisel should:

a. While cutting on keyways b. Always for safety

c. When reducing the metal rapidly d. None of these

657] The magnifying glass is used:

a. While chipping b. While grinding c. While reading accurate measurements d. While drilling

Page 40: Question With Answer Mechanic Trade May-13

658] The spring washer is used:

a. To minimize the vibration b. To save the depreciation c. For seating the nut

659] The feeler gauge is used for:

a. Checking surface roughness b. Checking the radius of work piece

c. Checking the gap between mating parts d. Checking the accuracy of hole locations

660] Tapers are used for:

a. Making a hole b. Finishing a hole c. Easy assemble and dissemble of parts

661] Allen keys are used for Tightening of:

a. Nuts b. Rivets c. Screws d. Nails

662] In Tig Welding, organ is used to:

a. Weld faster b. Reduce stresses c. Prevent oxidation

673. A lathe carrier used for turning in between centres. Which one of the following accessories is used along with it ?

a. Collet check b. Steady rest c.Driving plate d. 3 jaw chuck

674. In a threaded assembly the contact between the male and female threads take place on the:

a. Pitch b.Flanks c. Crests d. Roots

675. You have to cut threads on aluminium. Which of the following coolants you will use?

a. Lord oil b. Kerosene c. Soluble oil d. Vegetable

676. End of shank for hand reamer is:

a. Parallel b. Square c. Taper d. None

677. The angle of inclination of the thread to the imaginary perpendicular line is called :

a. Helix angle b. Rake angle c. Clearance angle

678. In multi-start thread, the lead is :

a. More than pitch b. Less than pitch c. None of the above

679. Cycle hub or pulley of a Motor is best example for :

a. Push fit b. Running fit c. Driving fit d. Force fit

680. Which joint is permanent joint?

a. Bolt and nut b. Araldite bonding c. Riveting d. Soldering

681. Keys are used in M/c for fixing:

a. Two shafts b. Shaft and pulley c. Shaft and bearing d. Sprocket and chain

682. The proportional between tensile strength and working load is called:

a. Stress b. Strain c. Yield point d. Factor of safety

683. Surface hardening process is:

a. Nitriding b. Tempering c. Annealing d. Corburising

684. Which one the following is not a work holding device?

a. Collect b. Drift c.Face plate d. Chuck

685. Freezing Fahrenheit scale is equal to :

a. 0oC b. 212oC c. 32oC d. 100oC

686. Anodising process on

a. Zinc coating b. Tin coating c. Aluminium coating d. Painting

Page 41: Question With Answer Mechanic Trade May-13

687. The maximum temperature of neutral flame on gas welding is:

a. 2000oC b. 3200oC c. 5000oC d. 6000oC

688. In butt joint weld, two plate are held:

a. One above the other b. Side by side c. Both a and b d. None of the above

689. Rotary motion is converted into reciprocating motion by means of the

a. Rocker arm and bull gear b. Rack and opinion c. Worm and worm gear

690. In one complete revolution of the bull gear wheel the ram gets:

a. One reverse stroke b. One forward and one reverse stroke

c. One forward stroke d. None of these

691. Level gears are used to Transmit:

a. Parallel motion b. Inclined motion c. Perpendicular motion

692. Dovetailing and keyway cutting can be done on:

a. Boring m/c b. Lathe m/c c. Drilling m/c d. Shaping m/c

693. Pitch diameter can be checked by :

a. 3 wire method b. Micrometer c. Vernier d. None of the above

694. The threads used in screw jack are generally of the form:

a. Square b. Vee c. Acme d. None of these

695. The minor diameter of thread is:

a. Major diameter – pitch b. Major diameter – 2 x 0.6134 x pitch

c. Major diameter – 0.7 x pitch d. Major diameter – 2 x pitch

696. M12 x 1.5 denotes

a. Temerature of threads b. Metric rubber boards 12 dia x 1.5 thick

c. Least count of Metric vernier 12 size x 1.5 LC d. Thread in Metric standard

697. In which of following operation on the lathe the spindle speed will be minimum:

a. Taper turning b. Partening off c. Fine finishing d. Thread cutting

698. The diameter of finished shaft can be checked with:

a. Combination set b. Dial test indicator c. Slip gauge d. All of the above

699. Steady rest in the lathe are used for:

a. Holding parts b. Length jobs c. Supporting short shaft d. None of these

700. In turning operation:

a. Tool rotates b. Job rotates c. Both tool and job rotates d. Both fool and job do not rotates

701. Holding grips are finished by operation:

a. Knurling operation b. Shaping operation c. Milling Operation d. Slotting operation

702. Which of the following tool material has highest cutting speed?

a. H.S.S. b. Carbon Steel c. High carbon steel d. Carbide tools

Page 42: Question With Answer Mechanic Trade May-13

703. Silicon carbide is associated with:

a. Turning b. Miling c. Grinding d. All the above

704. Which is the following type of bonding is generally used in manufacture of grinding wheel?

a. Vetrified b. Rubber c. Shellac d. All the above

705. Grinding wheel get glazed due to

a. Wear abrasive grains b. Breaking of abrasive grain

c. Wear of bond d. Cracks of grinding wheel

706 In grinding chatter marks can be avoided by:

a. Proper balancing of wheel

b. Using more coolant

c. Using rubber sheet

d. Reducing of RPM of wheel

715] Which of the following rivet is used in ship building?

a. Buffercated rivet b. Pan Head rivet c. Snap head rivet d. Flat head rivet

716] Abrasive is a very:

a. Soft b. Hard c. Mild d. Liquid substance

717] Chemical symbol of aluminium oxide abrasive is

a. Al2O2 b. Al3O3 c. Al2O3 d. Al1O1

718 Which one of the following is used to joint two metallic sheets?

a. Jigs b. Fixture c. Rivet d. Divider

719] Which one of the following is used for marking quickly on a number of job:

a. Surface plate b. Template c. Scraper d. Divider

720 Soldering is made by solder used with Ammonium chloride flux at:

a. 700oC b. 300oC c. 3000oC d. 200oC

727. Male part is less than female part (shaft size is lesser than hole size):

a. Clearance fit b. Interference fit c. transition fit d. None of these

728. Which one of the following part of the combination set is used for marking and measuring 45o to 90o angles?

a. Centre head b. Square head c. Protractor head d. None of these

729. Which tap is come in sets 1st tap, 2nd tap, 3rd tap?

a. Machine tap b. Extension tap c. Hand tap d. Intermediate tap

730. Indicate two types of self holding tapers

a. Morse taper b. Self releasing taper c .Metric taper d. A and C

731. Which angle of the drill is 8o to 12o?

a. Clearnance angle b. Lip angle c. Dead centre d. None of these

Page 43: Question With Answer Mechanic Trade May-13

732. Hot chisel is used in:

a. Black smithy shop b. Sheet metal shop c.Fitter shop d. Carpenter shop

733. How many teeths are cut per inch in the bastard file:

a. 20 to 30 T.P.I b. 80 to 100 T.P.I c. 40 to 65 T.P.I d. 35 to 40 T.P.I.

741. The different cuts of files:

a. Single cut

b. Doubt cut

c. Rasp cut

d. Curved cut

742. Name the different grades of file :

a. Rough file

b. Bastard file

c. Second cut file

d. Smooth file

e. Dead smooth file

743. Name the types of joints of capiers:

Ans. a. Firm joint

b. Spring joint

744. Name the common type of marking media

Ans. a. White wash

b. Prussian blue

c. Copper sulphate

d. Cellulose lacquer

745. Name the different punches in markings

Ans. a. Dot punch

b. Prick punch

c. Centre punch

746. Name the different types of Heacksaw frames:

Ans. a. Solid frame

b. Adjustable frame (flat type)

c. Adjustable frame(tubular type)

747. Name the types of Hacksaw blades:

Ans. a. All hard blade

b. Flexible blade

748. Name of two types of surface gauge:

Ans. a. Surface gauge-fixed type

b. Universal surface gauge

Page 44: Question With Answer Mechanic Trade May-13

749. Name the types of angle plates:

Ans. a. Plain solid angle plate

b. Slotted type angle plate

c. Swivel type angle plate

d. Box angle plate

780. Name the two types of polythene:

.a. Low density polythene b. High density polythene

781. Name the different types of friction:

a. Limiting friction b. Liquid friction c. Sliding friction

d. Gas friction e. Rolling friction f. Boundary friction g. Solid friction

782. Name the four types of surface hardening:

a. Case hardening b. Nitriding c. Flame hardening d. Induction hardening

783. Name the types of tongs :

Ans. a. Round tongs

b. Flat tongs

c. Hollow tongs

d. Square mouth tongs

784. State the types of drawing outprocesses

a. Necking b. Fullering

c. Finishing d. Setting stock

785. Name the types of structures of steel:

Ans. a. Ferrite

b. Cementite

c. Eutectoid steel

d. Hypoeutectoid steel

e. Hyper eutectoid steel

786. Name the types of snips:

Ans. a. Straight snips

b. Bent snips

787. Name the type of notches:

Ans. a. Straight notch

b. Square notch

c. Slant notch

d. V. notch

e. Wire notch

788. Name the types of stakes:

Ans. a. Hatchet stake b. Half moon stake

c. Funnel stake d. Beak or bick iron

Page 45: Question With Answer Mechanic Trade May-13

789. Name the types of hems:

Ans. a. Single hem

b. Double hem

c. Wired edge

790. Name the types of solders:

Ans. a. Soft solders b. Hard solders

791. Name the different types of fluxes:

a. Hydrochloric acid b. Zinc chloride

c. Ammonium chloride d. Resin e. Paste

792. Name the types of seams:

Ans. a. Lap seam

b. Grooved seam

c. Single seam

d. Double seam

e. Double grooved seam

793. Name the different types of gases used in gas welding:

Ans. a. Acetylene gas b. Hydrogen gas

c. Coal gas d. Liquid petroleum gas (LPG)

794. Name the different types of oxy-acetylene flames

Ans. a. Neutral flame b. Oxidising flame c. Carburising flame

795. State different types of gas flame combinations

Ans. a. Oxygen+acetylene =

Oxy-acetylene flame

b. Oxygen+hydrogen =

Oxy-hydrogen flame

c. Oxygen+coal =

Oxy-coal gas flame

d. Oxygen+LPG =

Oxy-LP gas flame

796. Name the types of basic welding joints

Ans. a. Butt joint b. Lap joint

c. Tee joint d. Corner joint

e. Edge joint

797. State the basic welding positions:

Ans. a. Flat or down hand position b. Horizontal position

c. Vertical position d. Over head position

Page 46: Question With Answer Mechanic Trade May-13

798. Name the different types of distortion:

Ans. a. Longitudinal distortion

b. Transverse distortion

c. Angular distortion

799. Name the different types of welds:

Ans. a. Bead weld

b. Groove weld

c. Fillet weld

d. plug weld

800. Name the different types of gas cutting machine.

Ans. a. Straight line cutting

b. Large circle cutting

c. Small circle cutting

801. Name the types of welding:

Ans. a. Fusion welding

b. Non fusion welding

802. Name the different types of arc welding machines.

Ans. a. A.C. welding machine

b. D.C. welding machine

803. State the types of polarity:

Ans. a. Reverse polarity b. Straight polarity

804. Name the three types of arc length:

Ans. a. Normal

b. Long

c. Short

805. Name the different types of „T‟ joints:

Ans. a. Types of „T‟ joints

b. Square „T‟ joint

c. Single bevel „T‟ joint

806. Name the type of filters.

Ans. a. Machine fitter

b. Bench fitter

c. Pipe fitter

807. Double bevel „T‟ joint:

Ans. a. Single „J‟‟T‟ joint

b. Double „J‟ „T‟ joint

808 Types of lap joints

Ans. a. Single fillet lap joint

b. Double fillet lap joint

Page 47: Question With Answer Mechanic Trade May-13

809. Types corner joint

Ans. a. Full corner joint

b. Half open corner joint

c. Full open corner joint

810. Name the types of weld testing :

Ans. a. Destruction test

b. Non-destruction test

811. Name the two types of head stocks:

Ans. a. All geared head stock

b. Cone pulley drive head stock

812. Name the types of bed ways:

Ans. a. Flat bed ways

b. „V‟ bed ways

c. Combination bed ways

813. Name the types of tool posts:

Ans. a. American type tool post

b. Quick change tool post

c. Single way tool post or indexing type or square tool post

814. Name the types of lathe cutting tools:

Ans. a. Solid type tools

b. Brazed type tools

c. Carbide tools

d. Inserted bits with holders

815 Name the types of spindle nose:

Ans. a. Plain threaded spindle nose

b. Long taper spindle nose

c. Stort taper spindle nose

816. Name the types of lathe carriers:

Ans. a. Straight tail carrier

b. Bent tail carrier

c. Clamp type carrier

817. Name the types of lathe centre:

a. Ordinary centre b. Half centre c. Tipped centre

d. Ball centre e. Pipe centre f. Revolving centre

818. Name the different types of shoulders.

Ans. a. Square shoulders

b. Bevelled shoulders

c. Filletted shoulders

d. Under cut shoulders

Page 48: Question With Answer Mechanic Trade May-13

819. Name the different standard tapers:

Ans. a. Morse taper

b. Broan and sharp taper

c. Journal taper

d. Metric taper

e. Pin taper

820. Name the different methods of taper turning on a lathe:

Ans. a. Form tool method

b. Compound slide method

c. Tail stock offset method

d. Taper turning attachment method

821. Name the types of knurls:

Ans. a. Diamond knurling

b. Straight knurling

c. Cross knurling

d. Concave knurling

e. Convex knurling

822. Name the types steady rests:

Ans. a. Fixed steady rest.

b. Travelling steady res

823. Name the different types of gear trains:

Ans. a. Simple gear train

b. Compound gear train

824. Name the different types of self holding tapers:

Ans. a. The metric taper

b. The morse taper

825. Name the different types of machine screws used in heady duty assembly.

Ans. a. Hexagon head screws

b. Hexagon socket head cap screws.

c. Square head countersink head screws

840. Name the two types of treaming tools.

Ans. a. Fly cutter

b. Hole saw

841. Name the different types of sprigs:

Ans. a. Wire springs II helical compression springs

b. Flat springs II conical disc springs

c. Helical tension springs

d. Helical torsion

Page 49: Question With Answer Mechanic Trade May-13

842. Name different types of screw drivers:

Ans. a. Standard screw driver

(1. Heavy duty, 2. Light duty)

b. Philips screw driver

c. Offshore screw driver

d. London pattern screw driver

843. Name different of spanners:

Ans. a. Open end spanners

b. Ring spanners

c. Double ended spanner

d. Single ended spanner

844. Name the special purpose spanners

Ans. a. Tube or tubular box spanner

b. Socket spanner

c. Adjustable spanner

d. Hook spanners

845. Name the four types of pliers:

Ans. a. Flat nose pliers

b. Round nose pliers

c. Slip joint pliers

d. End cutting pliers

e. Side cutting pliers

f. Locking pliers

846. Name the different types of pipe wrench Ans.

Ans: a. Chain wrench b. Strap wrench

c. Stillson pipe wrencH d. Foot print wrench

847. Name the different types of spirit level.

Ans. a. Engineers precision spirit level b. Block level

848. Name the different types of standard Engineer‟s squares:

There are three types :

Ans. a. Type-1 – Engineering square bevel edged with stock

b. Type-2 – Engineering square with flat edge and without stock

c. Type-3 - Engineering square with flange.

849. Name the different types of lubricators:

Ans. a. Oil can

b. Oil cup

c. Grease gun

d. Wick feed lubricator

e. Sight feed lubricator

Page 50: Question With Answer Mechanic Trade May-13

850. Name the different types of circlips:

Ans. a. Internal circlips

b. External circlips

851. Name the two types of adhesive:

Ans. a. Natural adhesive b. Synthetic adhesive

852. Name the two group of foundation bolts:

Ans. a. Fixed type b. Removable type

853. Name the different types of grouting:

Ans. a. Cement concrete grouting b. Sulphur grouting

854. Name the different types of hoists:

Ans. a. Differential hoist

b. Screw geared hoist

c. Spur geared hoist

855. Name the different types of cranes used in rigging operation:

a. Jib cranes b. Travelling crane c. Gantry crane

856. Name the different types of clutches

a. Dot clutch b. Cone clutch c. Air clutch

d. Centrifugal clutch e. Single plate clutch f. Over riding clutch

857. Different types of pipe vices:

a. Portable folding vice b. Chain pipe vice – 200 mm dia c. Pipe vice – 65 mm dia

858. Name the three most common pipe benders

Ans. a. Portable hand operated pipe bender

b. Bench type hand operated pipe bender

c. Hydraulic bending machine

859. Name the different types of presses:

a. Hand press or fly press b. Mechanical type or power press. c. Hydraulic press

860. Name the different types of broaching machines:

Ans. a. Vertical broaching machine

b. Horizontal broaching machine

c. Continues surface broaching machine

861. Name different methods of removing broken taps:

a. Use of tap extractor b. Use of punch c. Annealing and drilling the tap

d. Use of Arc Welding e. Use of Nitric Acid

862. Name the different methods of removing broken studs:

Ans. a. Screw extractor b. Tapered square drift

c. Using screw driver d. Punch and hammer

e. Using spanner

f. By drilling

Page 51: Question With Answer Mechanic Trade May-13

863. Name the different methods bending rods and pipe in a bench vice:

Ans. a. Bending using bending jaw

b. Bending with Fixture

c. Bending with bending die

864. Name the different methods used for checking minor diameter of external threads:

a. Use the vernier caliper b. Checking with micrometer

865. Name the different methods of testing hardness:

a. Brinell method (HB) b. Vickers method (HV)

c. Rockwell method(HR) d. Shore method

866. Name the different methods of lubricants

a. Forced feed b. Gravity feed c. Splash method

867. Name the different methods of filing

a. Straight filing b. Cross filing c. Draw filing

868. Name the different methods of making threads:

a. By hand b. By lathe c. By casting

d. By milling e. By rolling and pressing