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SANKALCHAND PATEL COLLEGE OF ENGINEERING

MECHANICAL ENGINEERING DEPARTMENT

Chapter No: 01 Unit and Measuring Instruments

SR.

NO.QUESTIONS

1. Which of the following set is of basic quantities?A. Mass, force, timeB. Distance, density, temperature C. Time, electric current, velocityD. Distance, time, temperature

2. Match the following as per SI unit prefixes.a. 10b. 10-3c. 102d. 10-6

1. Hecto2. Micro3. Giga4. Milli

A. a-1, b-3, c-4, d-2B. a-3, b-4, c-1, d-2 C. a-4, b-3, c-2, d-1D. a-3, b-4, c-2, d-1

3. How many basic quantities are there in SI unit system?A. 5B. 6 C. 7D. 8

4. Match the following as per SI unit prefixes.a. Massb. Forcec. Energyd. Temperature

1. kg.m/s2. kelvin3. kilogram4. N.mA. a-2, b-3, c-4, d-1

B. a-4, b-3, c-1, d-2 C. a-2, b-3, c-1, d-4D. a-3, b-1, c-4, d-25. Which of the following is SI unit of pressure?

A. BarB. Pa C. N/mmD. None of these

6. Which of the following is true conversion for unit of pressure?A. 1 bar = 10 PaB. 1 Pa = 105bar C. 1 bar = 1 PaD. None of these

7. Which one is larger unit of mass?A. KilogramB. Gram

C. PoundD. Milligram8. Which of the following is true for temperature conversion?

A. (9/5) F + 32 = CB. (9/5) 0C - 32 = 0F C. (9/5) C + 32 = FD. (9/5) 0F - 32 = 0C

9. Which of the following is not a unit of distance?A. Light yearB. Angstrom C. MileD. Carat

10. What is relation between density and specific volume?A. Density = (1 + specific volume)B. Density = (1/ specific volume) C. Density = specific volumeD. None of these

11. What is the dimension of power?


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A. MLT- B. ML2T-2 C. MLT

- D. ML2T-3

12. 1 inch is equals to how many centimeters?A. 2.5B. 2.46 C. 2.54D. 2.58

13. How many inches are there in one foot?A. 10B. 12 C. 15D. 30

14. 1 N = ________A. 1 gm.m/sB. 1 gm.cm/s2 C. 1 kg.m/sD. 1 kg.m2/s

15. Which of the following relation is true?A. K = C + 273B.

0C = K - 273

C. All of aboveD.

None of above16. What is the unit of luminous intensity is SI unit system?

A. AngstromB. Mol C. CaratD. Candela

17. Which of the following instrument is used to measure temperature?A. ManometerB. Thermocouple C. RotameterD. Pitot tube

18. Rotameter is used for measuring _____.A. TemperatureB. Velocity C. PressureD. Flow Rate

19. Which of the following instrument is used for measure speed / velocity?A. TachometerB. Anemometer C. Pitot TubeD. All Of Above

20. Which of the following set of instruments are used to measure pressure?A. Manometer, pressure gaugeB. Manometer, rotameter C. Rotameter, pressure gaugeD. None of above

21. With increase in gravitational force, mass of substance will _______.A. IncreaseB. Decrease C. Remain constantD. May increase or decrease

22. Which of the following conversion is true?A. 1 litre = 10 mB. 1 litre = 10-3m3 C. 1 litre = 10 mD. 1 litre = 10-2m3

23. Which is notthe unit of volume?A. GallonB. Litre C. BarrelD. None Of These

24. Which application is notperform by Vernier caliper?A. Measuring diameterB. Measuring depth C. Measuring heightD. None of above


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Chapter No: 02 Demonstrations of Energy Conversion Systems Using Model/Charts

SR.NO. QUESTIONS

1. In Following which is the power producing device?A. PumpB. Compressor C. I.C. EngineD. Air Conditioner

2. Which of the following is an example of Incompressible fluid?A. WaterB. Gas C. AirD. None of this

3. In Following which is the power consuming device?A. I.C. EngineB. Boiler C. Heat EngineD. Pump

4. Which of the following is an example of compressible fluid?A. WaterB. Oil C. AirD. Petrol

5. The strainer is used in all types of pumps forA. Filtering the liquids to be suckedB. To protect pump, foreign material

passes through the pump.

C. Both (a) and (b)D. None of this

6. The moving part of a centrifugal pump is called aA. ImpellerB. Diffuser C. VoluteD. Suction nozzle

7. During compression process which parameter will change?

A. PressureB. Volume C. DensityD. All of above

8. The purpose of using pumps areA. Increasing pressure of liquidB. Lifting or circulating of liquid C. Exhausting or extracting liquidsD. All of above

9. The pumps operate on principle of the rise in pressure energy of liquid by dynamic actionof liquid

A. Positive displacement pumpB. Rotary pump C. Roto-dynamic pumpD. All of above

10. Which of the following pump is not positive displacement pumpA. Piston PumpB. Gear Pump

C. Propeller PumpD. Bucket Pump11. Which of the following is not component of centrifugal pump

A. ImpellerB. Piston C. CasingD. Foot Valve

12. The compressors are used to increase the pressure ofA. AirB. Gas C. VapourD. All Of Above

13. The compressors are used for handling the following fluidsA. In CompressibleB. Compressible C. LiquidsD. All Of Above

14. The reciprocating compressors are suitable for producing


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A. High pressureB. Low pressure C. Medium pressureD. None of above

15. I.C. engine is heat engine in whichA. Chemical energy is converted intomechanical energy

B. Combustion of fuel takes placeinside the cylinder

C. A part of chemical energy releasedduring combustion has to bereleased to atmosphere

D. All of above16. The following is the one of the characteristics of I.C. engine

A. Large in sizeB. Starting is difficult C. Cheaper fuel may be usedD. More efficient

17. Which one is link between piston and crankA. Connecting rodB. Piston pin C. Push rodD. Crank shaft

18. A unit consists of closed vessel, economizer, super heater, water wall tubes and itproducing steam as per requirement calledA. BoilerB. Power plant C. Steam generatorD. I.C. engine

19. The function of boiler is A. To compress steamB. To heat feed water C. To generate steam at desired pressureD. To clean the water

20. A boiler may be used to supply steamA. For industrial process heatingB. For steam engine or steam turbine C. For power generationD. All of the above

21. A type of boiler in which the hot gases are inside the tubes and water is surrounding thetubes is called

A. Fire tube boilerB. Water tube boiler C. Natural circulation boilerD. Forced circulation boiler

22. A type of boiler in which the water is inside the tubes and hot gases are surrounding thetubes is called

A. Fire tube boilerB. Water tube boiler C. Natural circulation boilerD. Forced circulation boiler

23. The steam generate in case of water tube boiler as compared to fire tube boiler is A. SameB. Less C. MoreD. None of above

24. Cochran boiler is A. Vertical boilerB. Natural circulation boiler C. Fire tube boilerD. All of above

25. The function of steam stop valve is A. To regulate flow of steam from

boiler to steam pipeB. To separate steam from water

C. To collect steam from drumD. To provide safety of boiler


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Chapter No: 03 Power Transmission Systems

SR.

NO.

QUESTIONS

1. Which of the following is a not power transmission element?A. BeltB. Rope C. ChainD. Brake

2. Match for suitable application.a. Beltb. Chainc. Roped. Gear

1 Crane2 Gear Boxes3 Automobile4 Electric Motor

A. a-1, b-3, c-4, d-2B. a-3, b-4, c-1, d-2 C. a-4, b-3, c-1, d-2D. a-3, b-4, c-2, d-1

3. When the driving and driven shafts are at comparatively larger distance apart, the type ofdrive suitably used is

A. Gear DriveB. Belt Drive C. Friction DriveD. Chain Drive

4. Which of the following type of belts is also known as positive drive belt?A. V-beltB. Flat belt C. Timing beltD. Wedge type belt

5. What is the function of bearings?A. To support the memberB. To transmit power C. To transmit motionD. None of above

6. Antifriction bearings areA. Oil lubricated bearingsB. Bush bearings C. Ball and roller bearingsD. Boundary lubricated bearings

7. What is the purpose of lubrication in bearing?A. To increase corrosionB. To reduce friction C. To increase frictionD. To provide good joint connection

8. In radial bearings, the load actsA. Along the axis of rotationB. Perpendicular to the axis of rotation C. Parallel to the axis of rotationD. A and c

9. In thrust bearings, the load actsA. Along the axis of rotationB.

Perpendicular to the axis of rotation

C. Parallel to the axis of rotationD.

A and c10. The rolling contact bearing is known as

A. Sleeve bearingB. Thin film bearing C. Antifriction bearingD. Bush bearing

11. The balls of rolling contact bearings are made ofA. Case hardened steelB. Plain carbon steel C. High carbon chromium steelD. Free cutting steel

12. The rollers of rolling contact bearings are made ofA. Case hardened steelB. Plain carbon steel C. High carbon chromium steelD. Free cutting steel

13. Which of the following is application of chain drive


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A. BicycleB. Car C. TrainD. Bus

14. Rolling contact bearings are classified according toA. Type of rolling elementB. Direction of load C. Magnitude of loadD. A and b

15. The length to diameter ratio for a short bearing isA. More than 1B. Less than 1 C. D. 1

16. Which of the following is application of Belt driveA. BicycleB. Bus C. Flour millD. All above

17. Which of the following type of drives transmit power by friction?A. Spur gear driveB.

Chain drive

C. Worm gear driveD.

Belt drive18. When the axes of two shafts are parallel, use

A. Crossed helical gearsB. Bevel C. Worm gearsD. Spur or helical gears

19. What is the function of gear drive?A. To transmit the powerB. To transmit motion C. To transmit motion & powerD. All above

20. An automobile gearbox hasA. Simple gear trainB. Compound gear train C. Epicyclic gear trainD. None of the above

21. The main function of an automobile gearbox isA. To reduce speedB. To increase speed C. To provide variable speedsD. To increase power

22. Which of the following is application of Rope driveA. Motor cycleB. Car C. BicycleD. Crane

23. The thickness of gear tooth is measuredA. Along the pitch circleB. Along the base circle C. Along the addendum circleD. Along the root circle

24. Reducing pressure angle on gears results inA. Weaker teethB. Stronger teeth C. High velocity ratioD. High efficiency


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Chapter No: 04 Drawing Instruments

SR.

NO.

QUESTIONS

1. What is the purpose of scale?A. To draw circleB. To draw line C. To draw curveD. To draw hyperbola

2. What is the use of Protector?A. To measure angleB. To measure time C. To measure lineD. To measure height

3. What is the material of drawing board?A. PlasticB. Wood C. MetalD. Glass

4. What is the size of B2 drawing board recommended by bureau of Indian standard is

A.

500X700B. 400X300 C. 200X100D. 50X255. What is the use of T-square?

A. To draw parallel lineB. To draw circle C. To draw cycloidD. To draw parabola

6. Use of Compass is______________A. Draw the lineB. Draw the circle C. Measure the angle

7. Which pencil is darker?A. HB. 2H C. HBD. 4H

8. Which pencil is used generally used for engineering drawing?A. HB. 2H C. 4HD. 2B

9. What is the function of clip?A. To fix the DrawingB. To fix the Drawing sheet C. To fix the drawing board

10. What is the size of the title block in the drawing sheet?A. 18565B. 190130 C. 20100D. 100180

11. Which one is the full scale?A. 1:2B. 1:1 C. 2:1D. 3:2

12. Which one is the reduce scale?A. 1:1B. 5:1 C. 10:1D. 1:2

13. Which one is the enlarge scale?A. 1:5B. 1:2 C. 1:1D. 10:1

14. Which software is generally used in the computer for drafting?A. AnsysB. Pro Engineer C. AutoCadD. Catia

15. The edge of the board on which T-square is made to slide is called its ___________.


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A. Working edgeB. Straight edge C. Chisel edge

16. The two parts of the T-square are ________and _________.A. Vertical and horizontal edge.C. Stock

B. Straight edgeD. Blade

17. The T-Square is used for drawing _________lines.A. VerticalB. Curves

C. Horizontal

18. Angle in multiple of 15 are constructed by the combined use of ______ and ____.

A.T-SquareB. Set square

C.Protractor

19. To draw or measure angles, _______ is used?

A. Set-squareB. T- square

C. Protractor

20. Circle of small radii are drawn by means of a___________.

A. Lengthening barB. Bow divider

C. Bow compass

21. For drawing thin lines of uniform thickness the pencil should be sharpened in the form of_____________.

A. Chisel edgeB. Conical

C. Pointed


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Chapter 5: Geometric Construction

1. If a line intersects a circle at two points, not passing through the center, the line segment inside thecircle is referred as

(a) Radial line (b) Chord (c) Quadrant (d) Sequent

2. Which of the following would be considered a primitive in a 3D solid modeling system?

(a) Cylinder (b) Square (c) Rhombus (d) Spline

3. Diagonals of a rectangle:

(a) Equal to each other (b) Not equal

(c) One is double of the other (d) None of these

4. To draw perpendicular from a given point P on line XY, name the point where the compass needleshall be placed first.

(a) P (b) X or Y (c) Any convenient point along XY

(d) A point near the midpoint of PX and PY

5. The diagonals of a rhombus bisect each other at _________ angles.

(a) Acute (b) Right (c) Obtuse (d) Reflex

6. When two diameters of a circle are drawn at right angles to each other, which of the following

polygons will have all of the sides at 45 to these diameters?

(a) A hexagon inscribed in a given circle

(b) An octagon inscribed in a given circle

(c) A pentagon inscribed in a given circle

(d) A square inscribed in a given circle

7. The included angle of a pentagon is

(a) 68o(b) 72o(c) 108o(d) 112o

8. How many sides in the pentagon.

(a) 3 (b) 4 (c) 5(d) 6

9. Sum of all angle of the triangle is equal to

(a) 180 (b) 200 (c) 240 (d) 270


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10. According to the construction shown in the diagram below, what do we call segment CD ?

(a) Bisector of angle C (b) Median to side AB

(c) Perpendicular bisector of segment AB (d) Altitude to side AB

11. The diagonals of a square bisect each other at _________ angle.

(a) Acute (b) Right (c) Obtuse (d) Reflex

12. The centroid of a triangle divides the medians into ratios of

(a) 2:1 (b) 3:1 (c) 4:1 (d) 5:1

13. Minimum possible interior angle in a regular polygon is ___________.

(a) 70o (b) 60o(c) 90o (d) 120o

14. The included angle of a hexagon is

(a)120o(b) 72o (c) 108o (d) 112o

15.Maximum possible exterior angle in a regular polygon is ___________.

(a) 70o (b) 60o(c) 90o (d) 120o

16. What is the measure of angle x in this diagram?

(a) 60 (b) 120 (c) 80 (d) 240


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17. Name the closed figure with 4 sides?

(a) Hexagon (b) Triangle (c) Pentagon (d) Quadrilateral

18. A polygon with minimum number of sides is

(a) Pentagon (b) Square (c) Triangle (d) Angle

19.All the sides of a regular polygon are _________________.

(a) Parallel (b) Equal in length (c) Not parallel (d) Not equal

20. All the angles of a regular polygon are of ________________.

(a) 90o

(b) 60o

(c) Equal measure (d) Equal length

21.Sum of all interior angles of a polygon with (n) sides is given by

(a) (n 2 ) x 180o(b) n 2 x 180o (c) (n + 2 )x 180o (d) n + 2 x 180o

22.Sum of all interior angles of a parallelogram is

(a) 180o (b) 360o (c) 540o (d) 240o

23.The angle sum of all interior angles of a convex polygon of sides 7 is

(a) 180o (b) 540o (c) 630o (d) 900o

24.A parallelogram with sides of equal length is called______________.

(a) Trapezium (b) Square (c) Rectangle (d) Rhombus

25.The diagonals of a square are ________________ each other .

(a) Equal to (b) Unequal to

(c) Perpendicular bisectors of (d) None of these


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Chapter No: 06 Introductions to Orthographic Projection

SR

NO

QUESTIONS

1. Projection of an object shown by three views is known asA. PerspectiveB. Isometric C. ObliqueD. Orthographic

2. Which of the following describes the theory of orthographic projection?A. Projectors parallel to each other and perpendicular to the plane of projectionB. Projectors parallel to each other and parallel to the plane of projectionC. Projectors parallel to each other and oblique to the plane of projectionD. Projectors perpendicular to each other and parallel to the plane of projection

3. In orthographic projection, the elevation is obtained on a plane calledA. HorizontalB. Vertical C. ProfileD. Auxiliary

4. In multi-view projections, the XY line is also known asA. Horizontal lineB. Horizontal trace C. Reference lineD. All of these

5. In first angle projection method, the relative positions of the object, plane and observers areA. Object is placed in betweenB. Plane is placed in between C. Observer is placed in betweenD. May be placed in any order

6. In third angle projection method, the relative positions of the object, plane and observers areA. Object is placed in betweenB. Plane is placed in between C. Observer is placed in betweenD. May be placed in any order

7. In first angle projection system, the right hand side view of an object is drawnA. Above of the elevationB. Below of the elevation C. Left of the elevationD. Right of the elevation

8. If the front view of an object exhibits width and height, then what dimensions of an object areexhibited by a right side view?

A. Length and widthB. Length and height C. Height and widthD. Length and breadth

9. For orthographic projections, B.I.S. recommends the followingA. First angle projectionB. Third angle projection C. Second angle projectionD. Fourth angle projection

10. The recommended symbol for indicating the angle of projection shows two views of the frustumof a

A. Square PyramidB. Triangular pyramid C. ConeD. Any of these

11. In orthographic projection, visual rays or lines of sight for a given view are _____________ toeach other.

A. PerpendicularB. Oblique C. NormalD. Parallel

12. The top, front, and bottom views align in this mannerA. HorizontallyB. Vertically C. According to the planar viewsD. Parallel to the frontal plane

13. This is the plane upon which the top view is projected:


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A. HorizontalB. Frontal C. ProfileD. Base

14. If a plane is parallel to the plane of projection, it appears:A. True sizeB. As a line or edge C. ForeshortenedD. As an oblique surface

15. Which of the following is symbol of first angle?A B

16. Which is the front view of following object?17. Which is the top view of following object?

A B


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C

18. Which is the front view of following object?19. Which is the left hand side view of following object?

A B

C


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20. With respect to the elevation and plan given below, name the solidA. ConeB. Hexagonal PrismC. CylinderD. Hexagonal Pyramid

21. With respect to the front view and top view given below, name the solidA. ConeB.

CylinderC. Cube

D. Frustum

22. In third angle projection system, the right hand side view of an object is drawnA. Above of the elevationB. Below of the elevation C. Left of the elevationD. Right of the elevation

23. In which country first angle projection method is used?A. USAB. India C. AustraliaD. Canada

24. In USA which projection method is used?A. First angleB. Second angle C. Third angleD. Fourth angle


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Answers:

Chap No: 01

1. D

2. B

3. C

4. D

5. B

6. A

7. A

8. B9. D

10. B

11. D

12. C

13. B

14. C

15. C

16. D

17. B

18. D19. D

20. A

21. C

22. B

23. D

24. D

Chap No: 02

1. C

2. A

3. D

4. C

5. C

6. A

7. C

8. D9. C

10. C

11. B

12. D

13. B

14. A

15. D

16. D

17. A

18. A19. C

20. D

21. A

22. B

23. C

24. D

25. A

Chap No: 03

1. D

2. C

3. B

4. C

5. A

6. C

7. B

8. B9. A

10. C

11. C

12. A

13. A

14. D

15. A

16. C

17. D

18. D19. C

20. B

21. C

22. D

23. A

24. A

Chap No: 04

1. B

2. A

3. B

4. A

5. A

6. B

7. C

8. A9. B

10. A

11. B

12. D

13. D

14. C

15. A

16. C,D

17. C

18. A,B19. C

20. C

21. A


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Chap No: 051. B

2. A

3. A

4. B

5. B

6. D

7. C

8. C

9. A

10. B11. B

12. A

13. B

14. A

15. D

16. A

17. D

18. C

19. B

20. C21. A

22. B

23. A

24. B, D

25. A

Chap No: 061. D

2. A

3. B

4. C

5. A

6. B

7. C

8. B

9. A

10. C11. D

12. B

13. A

14. D

15. A

16. B

17. C

18. C

19. B

20. A21. C

22. A

23. D

24. B

25. C

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