1. MCS, relative to jacking of a/ca) nose of a/c to direction of windb) tall of a/c should be backward direction of windc) as in a , the surface should be level & concrete 2. Red brass is useda) for fuel and oil line fittingsb) as in a and also called bronzec) as in b and poor casting and forming qualityd) none

3. Nickel in steel increasesa) hardnessb) yield strength c) elastic limitd) ATA

4. Geiger counter is used toa) measure the radio active contamination of a/c flying above stratosphereb) check the condition of a/c after heavy landingc) check the penetration of a/c by ultraviolet rays above stratosphered) NTA

5. Stalling angle critical angle of attack is thea) max. lift angleb) min.lift anglec) as in a and at which separation of airflow takes from upper surface of wingd) as in b and at which separation of airflow takes from lower surface of wing

6. Angle of ACME thread isa) 450

b) 380

c) 120

d) 290

7. Al. alloy rivets can be heat treateda) max. 5 timesb) max. 15 timesc) infinite timesd) none

8. The type of compressor used in air cycle cooling machine isa) axial compressorb) inward flow compressorc) outward flow compressord) none

9. MTCSa) Al-alloy bolts of dia less than ¼ mm are not used in primary structureb) All Al-alloy nuts and bolts are used where frequent removal is requiredc) Both a & b are correctd) None of the above

10. MTCSa) lap joint is best for oxy-acetylene welding

b) single lap joint is resistance to shearingc) single lap joint is resistance to bendingd) all of the above are wrong

11. Aircraft structural CRS is welded by a) butt weldingb) spot welding & sea weldingc) butt and spot weldingd) spot welding

12. Precision wire wound resistors are wound with a) carbonb) copperc) magnasiumd) all of the above

13. Corrosion of titanium and its alloys are (9A-180)a) difficult to detectb) easy to detectc) as in a & increase with high temperature and saltd) as in b & removed with Al-grid or Al-polished

14. If acid is spilled over skin from an a/c battery then it cleaned with (9A-311)a) waterb) water & boric acidc) water & bicarbonate of sodad) all

15. Ni-cad battery is rapidly charged with (9A-315)a) constant current and variable voltageb) constant voltage and variable currentc) variable voltage and variable currentd) both a & b

16. Indication of corrosion on (9A-171)a) Al and Mg as etching and pittingb) Copper as greenish filmc) Steel as white marksd) Both a & b

17. Which non-ferrous metal can be case – hardeneda) Ni b) Ti c)Cu d)Al

18. Jo-bolt is (9A-124)a) externally threaded two piece rivetb) externally threaded three piece rivetc) internally threaded three piece rivetd) can replace general bolts in compression to their strength

19. Jum buckle is a) for minor adjustment in cable length and cable tension b) has matching left and right hand threadsc) has internally threaded ends and externally threaded end terminalsd) all of the above20. Extrusion is used for making (Aviation Dictionary)a) channelsb) anglec) T-section d) All

21. Generator frequency depends on a) no of polesb) RPMc) Both a & bd) None

22. For a battery to have high ampere hour capacity and high terminals voltagea) low internal resistanceb) high internal resistancec) does not depend on internal resistanced) none

23. Plug gage is used for (Av. Dictionary)a) checking the internal dia of cylindrical shaftb) checking the size of plug needed for blankingc) checking the accuracy of holesd) all of the above

24. A bolt should be installed (Jeppeson)a) upward and downwardb) upward & forwardc) downward & forwardd) down ward & rearward

25. In a PN junction diode, holes move from P-region to N-region because of a) diffusionb) pressure differencec) higher concentration of holes in P-regiond) electrons in N-region attracts holes from P-region

26. Every third tooth is made straight for a) sawing clearanceb) racker and for cleaningc) rap sawd) all of he above

27. Shunt ohmmeter measures (9A-330)a) low resistanceb) high resistancec) precision resistanced) infinite resistance

28. Mark the correct statement for transformer (9A-359)a) mutual induction is working principleb) output voltage depends on transformation ratio/turn ratioc) all of the above

29. For constant voltage generator used is (9A-446)a) series b) shuntc) both a & bd) none

30. After heat treatment tempering is done to (9A-211)a) reduce brittleness and softens the metalb) increase brittleness and ductilityc) increase hardness and strength

d) increase hardness only

31. Pot life and shelf lifea) pot life is related to mixed resin mixture while shelf life is related to resin and hardened individually b) a) if catalyst is mixed in less amount then it will increase pot life but reducing curing properties c) both a & bd) none

32. Octal no. of 189 is a) 235 b)237 c)265 d)275

33. Internal wrenching bolt takes (9A-123)a) shear loadb) tension loadc) both shear & tension loadd) none

34. Clevis bolt is used for a) shear loadb) tension loadc) both shear & tension loadd) none

35. 10 KB-105 rivet has a) flat headb) countersunk headc) as in a & keyd) as in b and key

36. 10 KB-107 rivet has a) flat headb) countersunk headc) as in a & keyd) as in b and key

37. In Bristol modified method, defect occurs as a) white line (thin)b) green line on darkc) red line none of the above

38. In oil and chalk process, defect occurs of a) dark gray line on light surfaceb) dark line on red back groundc) green line on dark backgroundd) none of the above

39. Intergranular corrosiona) occurs along grain boundariesb) causes exploitation when it becomes severec) as in a and b and detected by UFDd) as in c and detected EFD

40. Porosity in steel castings is detected by a) MPIb) As in a but DPI is more efficientc) Both are equally efficientd) None

41. Scuttered acts in MPI indicatesa) fine porosity and pittingb) welding cracks

c) tight crackd) laps

42. Variable canvery pump is used wherea) output does not change with requirement of engineb) output varied as per engine requirementc) as in a and fitted with no valved) as in c and fitted with compensated valve for automatic adjusted

43. Ventral provides a) longitudinal stabilityb) longitudinal and lateral stabilityc) lateral stabilityd) none of the above

44. Hydraulic system is based on a) charle’s lawb) pascal’s lawc) boyle’s lawd) newton’s law

45. Essential calculating power area) force ???b) distance traveledc) time of doing workd) all of the above

46. 1 HP is usual to a) 735 electric wattsb) 746 electrical wattsc) both a & bd) none

47. Brinell hardness tester (9A-218)a) uses hardened spherical ballb) as in a and measure depth of impressionc) as in b and measure dia of impressiond) none of the above

48. Electric slating is the process of a) provide corrosion resistance surfaceb) provide good surface for further platingc) for d) all the above

49. Transferred metal by chemical action over a surface a) provide corrosion resistance surfaceb) provide base for further platingc) forward upd) all the above50. Acetylene gas is a) colorlessb) as in a and if stored above 25 psi it becomes highly unstablec) as in b and produced by reaction of calcium carbide with waterd) as in a and produces a yellow colored flame and smoky flame

51. Which fire extinguisher is best for electrical firea) carbon tetrachloride

b) foam c) waterd) CO2

52. While riveting, center hole can be located by a) center pitchb) templatec) hole finderd) all of the above

53. In ATA-100 specification of cable, electrical wire no. and letters are marked as a) prefix and suffixb) side by sidec) in middled) at the end

54. Cotter pin for castlellated nut is made of a) steel / CRSb) cadmium plated low carbonc) stainless steeld) both b & c

55. X-ray equipments are rated by (9A-479)a) ampereb) KVc) Wattd) None

56. When a component exceeds the alert valuea) it should be subjected before flightb) it should continue in flight &corrective action takenc) it can be replaced in night or at 10 hrs whichever is earlier d) none of the above

57. Alert value for a component is (CAR)a) recalculated at every 3 yearsb) recalculated at every 1 monthc) recalculated if it found unreliabled) as in c and it should be less than original alert value

58. When the time between soaking and quenching increases, then a) hardness increasesb) softer the metalc) re-precipitation takes placed) tensile strength increases

59. O-ring can be checked by (9A-168)a) 4-times magnificationb) rolling the ring on a dowell and inner dia can be checkedc) rolling the ring on inspection cone & inner dia can be checked d) all of the above

60. Metallizing is a process of a) rolling pure Al-alloy on Al-alloy surfaceb) Ni and Cd plating on steelc) By spraying Ni, Cr on steel with oxy-acetylene flame

d) All of the above

61. Which of the following are universal gatesa) NAND & ANDb) NOR & ORc) NAND & NORd) NONE

62. An 12 H5 indicatesa) dia 3/5 and head is not drilledb) dia 6/8 and head is not drilledc) dia 6/8 and head is drilledd) dia 6/8 and shank & head is drilled

63. Engine fires once in a) one revolution of crankshaftb) two revolution of crankshaftc) 3600 revolution of crankshaftd) none of the above

64. Mark the correct statementa) On a/c with steerable nose wheel, the locking scissors are set to full swivel for towing b) Tail wheel a/c should always be towed backwardc) Release all the hydraulic charge before towingd) All of the above

65. Grub-screw is used for a) locking threaded fastenersb) by soldering it is lockedc) locked by peeningd) both a & c

66. Bearing strength is the force that resist the (Aviation Dictionary)a) stretching and lengtheningb) slidingc) at the point of tearingd) none

67. Magnetic force always acts on (Aviation dictionary)a) charged particleb) uncharged particlec) charged particle parallel to magnetic fluxd) none

68. Hydrogen gas is emit in the battery (9A-314)a) during all times in lead acid battery servicingb) in Ni-Cd battery, at the end of chargingc) when battery is overchargedd) both a,b,c

69. Ohm’s law does not hold for (Thereja)a) diodeb) NPN-transistor

c) Hgd) Both a & b

70. Speed of motor increase when load decrease current decrease because of

a) frictional loss between motor’s moving partsb) frictional loss between field winding and other partsc) induced back emf increasesd) none

71. Marking of fluid line is given by (9A-102)a) color and geometrical shapeb) color and wordsc) show the function and direction of fluid flowd) all of the above

72. MTCSa) carbon graphite has more compressive strength than Kevlarb) Kevlar has more compressive strength than carbon graphitec) Carbon graphite has more tensile strength than Kevlard) All of the above

73. Stress corrosion is likely to occurs in (9A-173)a) aluminium b) Mgc) CRSd) Al and stainless steel

74. When re-torqueing is required for a ???a) re-tighten the nut without backing off the nutb) re-tighten the nut with backing off the nut one turnc) re-tighten the nut with backing off by two turnd) never re-tighten the nut

75. When in a/c it is required embossing, etching and marking, then electrical etching is done by a) electrical etching pencil, if applied lightlyb) electrical etching pencil but only for CRSc) electrical etching pencil is prohibited in a/cd) both b & c

76. Flight tab is:a) Balance Tabb) Trig Tabc) Servo Tabd) trim tab

77. End terminal of cable is removed by :a) Drillb) Scriberc) Chisel

78. In ATA-100 specification of cable, electrical wire are identified by:a) At the endb) At the middlec) Side by side

79. What procedure is used to distinguish heat treatable alloys from treatable alloys:a) 10% solution of caustic sodab) 5% solution of muriatic acidc) Rockwell testd) 10% solution of H2SO4

80. When welding a high carbon steel used:a) Low carbon rodb) High carbon rodc) Rod of either low or high carbon contentd) Rod of intermediate carbon content

81. Choose the correct statement:a) Oxy-acetylene flame have more heat energy than oxy-hydrogen flameb) Oxy-hydrogen flame have more heat energy than oxy-acetylene flamec) Both have same heat energy

82. An altimeter consists of:a) Two aneroid capsulesb) Pressure setting knob for adjusting barometric pressurec) Three aneroid capsulesd) All are correct

83. Mark the correct statement regarding drill:a) No. 80 is smaller than No.1b) No.1 is smaller than No.80c) Letter A is bigger than letter Z and No. 80d) Letter A is smaller than No.1 and Latter Z

84. In absence of barometer, altimeter is checked by:a) Micro manometerb) Vacuum chamberc) Vacuum gauge

85. Static vents in pitot static system are located with:a) Free at air streamb) To eliminate ice formationc) Flexibled) Both (a) & (b)

86. X-ray used in NDT inspection have:a) Short wave length and high penetrating powerb) Short wave length and short penetrating powerc) High wave length and short penetrating powerd) high wave length and high penetrating power

87. To repair a crack, the joint to formed:a) Lapb) Buttc) Teed) Corner

88. Dzus fastener identification includes:a) Head typeb) Diameter & head stylec) Head style, dia & lengthd) None

89. Interrupt flux will cause for:a) Corrosionb) Weak weldc) Lack of penetrationd) Porocity

90. Mark the correct statement:

a) Angle between chord line and longitudinal axis is called incidence angleb) Angle between chord line and longitudinal axis is called angle of attackc) Both (a) & (b)

91. Mark the correct statement:a) Output will be high if any one of the input become high for AND gateb) Output will be high if any one or all of the input become high for OR gatec) Output will be high if all of the input will be low for AND gated) None

92. Purpose of using flux in welding is to:a) Reduce oxidationb) Increase the bendingc) Provide flow to the d) All

93. Rockwell tester measured:a) Resistance to penetrationb) Diameter of impressionc) Size indentationd) None

94. Aluminium alloys are welded with:a) Oxidizing flameb) Reducing flamec) Neutral flamed) Reducing flame but first the flame is neutral and then reduced

95. Unix is:a) Single operating Unitb) Double operating Unitc) CAD and record of engineering organizationd) None

96.Two wires each one meter long are kept a distance of 0.02 meter apart 1 angle current is flowing through each wire then force acting on the will be:a) Attractive if the direction of the current flowing through wires is sameb) Attractive if the direction of the current flowing will oppositec) Repulsive if direction of current w3ill opposited) Both (a) and (c) are correct

97.In case of battery, which of the following quantity can be stored:a) Energyb) Chargec) Currentd) None

98.T4 and W indicates:a) Solution heat treatmentb) SHT and quenchedc) SHT and artificially agedd) SHT and cold worked

99.For filling slots and key way used:

a) Knife fileb) Square filec) Half rout filed) None

100.Mark the correct statement:a) When batteries are connected in series then capacity will increaseb) When batteries are connected in series then voltage will remain copsc) When batteries are connected in parallel then current will increased) All of the above

101.Jet fuel identifiers are:a) Performance no. and designate the volatility of fuelb) Performance no. and are relative to the fuel performance in the a/c enginec) Type no. with sterelation to the fuel in performance in the a/c engined) None

102.The greatest memory of which device:a) Winchester type device disksb) Tape type recording instrumentc) Floppy disk, unitd) None

103.Electric arc welding:a) Emits ultra violet raysb) Emits infrared rays at high currentc) Poisonous gasd) All of the above

104.In instrument, range marking is confirm with:a) Type certificate data sheetb) Flight manualc) Manufacturer maintenance manuald) All

106.Aramid is identified by:a) Black colourb) Yellow colourc) Whole glaming colourd) Brown colour

107.Alclad is:a) Coating of Al. alloy on pure Alb) Coating of pure aluminum on Al. alloyc) Coating of pure Al on non metald) None

108.Micrometer shadow is on the:a) Shadow of the thimbleb) Shadow of the sleevec) Shadow of the spindled) None

109.In silver solding, metal melts:a) 200-400 degree Cb) 100-1500 degree Cc) 600-850 degree Cd) none

110.Synthetic thermoplastic:a) When heated become softb) When heated become hardc) When cooled become hardd) Both (a) & (3)

111.A triode consists of:a) A plate, grid and heaterb) A plate, cathode and heaterc) Plate, screen and heaterd) Plate, cathode, heater and wire screen between the plate and

112.Calculate the power which V-28 volt & R-28 ohm:a) 22b) 24c) 36d) 28

113.What about the supporting distance between two support in a metal have outside dia 5/16”:a) 9”b) 16”c) 22”d) 28”

114.Aspect ratio in a wing can be calculated by:a) Span/cordb) Span/areac) Span/aread) None

115.Instrument panels are usually shock mounted to absorb ___ shock:a) Low frequency high amplitudeb) High frequency low amplitudec) High frequency high amplituded) Low frequency low amplitude

116.Brinell hardness tester is applicable to:a) Small part and high hardenerb) Small part and small hardenerc) Large part and small hardenerd) Large part and large hardener

117.Finished threads on bolt is checked by:a) Screw pitch gaugeb) Ring thread gaugec) Filler gauged) All

118.Class-B fire includes:a) Fire in wood paper cloth etc.b) Fire in flammable liquidc) Fire in combustible materiald) All

119.In a transformer, voltage is step-up by 1:2 ration then:a) Voltage in secondary become halfb) Current in secondary become halfc) Current in secondary become doubled) None

120. of material (Pure Al) required for clading on Al. alloy:a) 5%b) 5 – 10%c) 10%d) 5 – 8%

121.Weber-1 is equal to:a) Powerb) Voltagec) Ampered) None

122.Mark the correct statement regarding Al. alloy tubing:a) Dent a acceptable up to 10%b) Clicks is acceptable up to 20% and not goes to heelc) Dent to acceptable up to 20% and not goes to heeld) None

123.Which statement is correct regarding ASI:a) Static pressure is given inside capsuleb) Static pressure is given outsidec) Measure differential pressure

124.Resistance in pure semiconductor is:a) Infinite at 0ºb) Remains constantc) Decrease with increase in temperatured) Increase with increase in temperature

125. 90º angle made on the working edge of the scriber is:a) Used matching and marking through holesb) For matching and marking through holesc) To hub the correct marking