1. In a variable delivery pump i.e. Hydraulic pump:a) Provides a fixed amount of fluid at certain foot per revolution regardless of pressure:b) Is used to provide different amount of fluid as per demand of pressurec) As in 2 and out valve will automatically compensated for variable delivery of fluid

2. A riveted joint will subject of the:a) Tension loadb) Shear loadc) Bending loadd) Load

PAPER II(OCT’05)1. Chematic diagram drawing is

a) location of component are not indicatedb) component are indicatedc) components are located within the systemd) components location in a/c

2. Which material is slightly magnetic & rapidly react with concentrated nitric acid with greenish blue colour?a) carbon steel b) 18-8c) pure nickeld) monel

3. Size of flexible hose determined by a) inside dia in 1/16” incrementb) outside dia in 1/16” incrementc) inside dia in 1/32” incrementd) outside dia in 1/32 increment

4. Fuel lines identified by a) red colourb) blue colourc) green colour

5. Bolt with single raised dasha) AN corrosion resistant steelb) AN standard steelc) Aluminium alloy

6. AN 640 indicates a) bolt head and shank is drilledb) bolt with 10/32” diac) bolt shank is drilled

7. AN 121110 indicates a) bolt with 6/8 dia & head is drilled

8. Which washer is used when a bolt is installed at an angle to a surface or where perfect alignment with surface or where perfect alignment with surface is requireda) ball socket & seat washerb) lock washerc) plain washer

9. Which is used to tighten the Nut & Bolt where torque is critical

a) precision toolb) hox wrenchc) spanner wrenchd) torque wrench

10. Bolt with asterisk mark made of a) AN corrosion resistant steelb) AN standard steelc) Aluminium alloy

11. Which is difficult to soldera) Aluminium and its alloyb) Mg and its alloyc) Steel and its alloyd) Nickel

12. AN 170 AD 3-5a) round head rivet made of 2117 Al alloyb) universal head rivet made 2117 Al alloyc) universal head rivet made 2017 alloy

13. Which packing is effective in both direction in terms of pressure and back up is a) ‘O’ ringb) ‘W’ ringc) ‘V’ ring

14. Which chemical treatment converts surface of iron and steel parts to non metallic coil or absorptive , phosphade a) parco-lubrizingb) anodizing

15. Tempering is done in steela) to rlieve internal stressesb) to reduce brilleness and ductilityc) to increase strength and ductilityd) to barden

16. Which process is used to produce hard wear resistant surface or case cover strong & tough corea) case hardeningb) temperingc) normalizing

17. Mark the correct statementa) cold water ensure minimum corrosion resistance

b) hot water minimize distortion & alleviates crack

18. Lag between soaking and quenching causesa) precipitations from solid solution

19. To improve tensile strength, ductility and shock resistance of Mga) solution heat treatedb) precipitation heat treatedc) full annealing is done

20. which is used to check the hardness of all alloy Cu, Brassa) Barcol tester b) Rock well hardness testerc) Brinell hardness tester

21. Resistance of conductor doesn’t depend upona) material b) lengthc) shape of cross-section

22. M.M.F. is measured ina) Gilbert Symbol ‘F’b) Maxwell symbol ‘F’c) Weber

23. Which method is used to rapidly charge the batterya) constant voltage & varying current methodb) constant current & varying voltagec) varying voltage & varying current

24. Negative plate of Ni-cd battery made of a) Metalic cdb) Cd hydroxidec) Ni hydroxided) Nickle

25. What is frequency in 4 pole generator, conductor is turning at 1500 rpma) 60 cpsb) 50 cpsc) 120 cps

26. What is total inductance of three inductors of 2.3.4 henrya) 1.9 (series)b) 0.9 (parallel)

27. In circuit when capacitive reactance is equal to inductive reactancea) resonantb) phase in

28. Ionization potential of gas diode depends upona) plate current b) cathode constructionc) size of tubed) type of pressure of gas

29. With gate open, SCR conducts when applied voltage a) peak inverse voltageb) break over voltagec) cutt off voltage

30. The minimum no. of diode in half wave rectifiera) 1b) 2c) 3d) 4

31. To prevent generator from motoringa) reverse current cut out relayb) voltage regulatorc) circuit breaker

32. The purpose of equalizing circuita) to lower voltage of high generator and raise voltage of low

generatorb) to raise voltage of high generation and lower voltage of low generation

33. In which line current equal to phase currenta) Delta connected Alternatorb) Star connected Alternatorc) Three phase Alternator

34. Series D.C. motora) Poor voltage reputationb) Firld winding made of few turn of heavy wirec) High starting Torque (principal advantage)d) Both (a) & (b)

35. Which ATA code indicate hydraulic power, Fire protection, pneumatic enginea) 29, 26, 36, 77b) 25, 26, 36, 77c) 29, 28, 36, 77

36. In PMI Nickel plated surface doesn’t give indication of:a) flawb) fine discontinuitiesc) Ferrous parts onlyd) Both ferrous & non ferrous parts

37. In oil & chalk process, defect is indicated as:a) dark gray line with light gray backgroundb) light gray line with dark gray backgroundc) white line in green background

38. In Radiography ‘X’ ray equipment are graded according:a) voltage rangeb) frequency rangec) ampere range

39. Which process reveals (surface defects) subsurface defect, subsurface defect, water in honey comb material:a) Dye penetrant Processb) M.P.I.c) Radiography

40. Small a/c tied down:a) alter each flightb) every heightc) before storm

41. Which extinguisher is best for electrical fire?a) CO2

b) Dry chemicalc) Waterd) Cd4

42. In swept wing a/c de fueling procedure starts from:a) outboard wing tank firstb) inboard wing tank first

43. In pressure fueling:a) Pressure of fuel pump must be at min. filter pr.b) Pressure must be correct for refueling system

44. Bottle jack is used for:a) single wheel or all wheel of single unitb) single wheelc) single brake unit

45. Which is equivalent to 4 bit:a) Nibbleb) Bytec) K.B. (Kilo Byte)

46. Modem is:a) Input/output peripheralb) Hardwarec) Softwared) Operating system

47. Which decimal no. is equivalent to (110.001)2

a) 6.25b) 6.125c) 6.50

48. Which is responsible for high lift capacity of Glider:a) high aspect ratiob) symmetrical wingc) Thickness/chord

49. When tail wheel a/c facing in wind:a) elevator should be fully upb) elevator should be fully downc) elevator should be in neutral position

50. Angle of attack:a) Is acute angle between longitudinal axis of a/c & chord of wing

direction.b) Is horizontal angle between direction wind & plane of symmetry of a/cc) Is acute angle between chord of airfoil and direction of wind

51. Aspect ratio:a) span/mean chordb) span/cross sectional areac) chord/spand) area/span

52. Primary control surfaces are:a) aileron, rudder, elevator

b) aileron, rudder, elevator, L.E. flapc) aileron, rudder, elevator, T.E. flap

53. In four stroke engine five events are:a) intake, compression, ignition, power, exhaustb) intake, compression, exhaust power.c) intake, power, exhaust, compression.

54. Which welding process uses consumable electrode:a) TIGb) MIGc) Plasma are welding

55. Which hammer used in narrow place:a) Ball peen hammerb) Cross peen hammerc) Hide hammerd) Plastic head hammer

56. Which one give smoother surface:a) single cutb) double cutc) second cutd) smooth cut

57. When using hacksaw blade in which direction it gives better result:a) forward strokeb) backward strokec) fined) coarse

58. What is the position of adjustment screw in fine adjustment:a) upper positionb) lower positionc) neutral positiond) central position

59. Which is used to mark rivet holes when using original template to lay out a skin pattern on the new surface is:a) center punchb) prick punchc) transfer punch

60. Which is used to clean clogged male threaded fastener:a) die nut

b) tapc) two part adjustable die

61. Taper tap is used in tapping procedure during starting the tap used for starting operation:a) Taper tapb) Plug tapc) Bottoming tap

62. Which screw driver is used during verneal space limitation:a) off-set screw driverb) stubby screw driverc) simple screw driver

63. If 1 cm. of main scale is divided in 20 equal part, 24 division of main scale is equal to 25 division of vernier scale. Least count is:a) 0.0002 mm.b) 0.002 cmc) 0.02 inchesd) 2 cm

64. Which thread gives/takes great strength/load in one direction:a) buttress threadb) square thread

65. ‘V’ block is used to:a) to hold cylindrical objectb) to hold square object

66. Which one is in increasing order to strength:a) 2S, 24ST, 17ST, A17STb) 2S, A17ST, 24ST, 17STc) 2S, A17ST, 17ST, 24STd) 2S, 17ST, A17ST, 24ST

67. In flexible hose, slack is given:a) 2 to 3% of total lengthb) 5 to 8% of total lengthc) 3 to 9% of total lengthd) 10% of total length

68. Which has greater tensile strength & lower compressive strength:a) carbonb) graphitec) boron

d) aramid

69. Mark the correct statement:a) turbo fan engine require lesser runway length for take off than jet

engine.b) Jet engine, at higher altitude is efficient in comparison with piston

enginec) Jet engine has more weight to get equivalent powerd) Turbo jet engine requires longer runway.

70. Modern digital computer consist of:a) Central processor (CPU) input/output deviceb) Hardwarec) Software

71. Speed of motor increases when load decreases current decrease because of:a) frictional loss between motor’s moving partb) frictional loss between winding & other partsc) induced back emf increases

72. Jo bolt is:a) externally threaded two piece rivetb) externally threaded three piece rivetc) internally thread three piece rivet

73. For parallel A.C. generators:a) voltage, phase equalb) phase, frequency samec) voltage, frequency phase

74. Quantity & quality of X-ray depends on:a) intensity and penetrating power of x-rayb) frequency & penetrating powerc) frequency & intensity of x-ray

75. 7075-0 indicates:a) normalizingb) annealedc) hardened & tempered

76. Gasoline having octane no. more than 100 indicated by:a) octane no.b) performance no.

77. Which is used to form rivet head:

a) snap and dollyb) hammer and punchc) punch & plierd) rivet & bucking bar

78. De-magnetization is done in megnaflux method, after magnetization:a) By slowly moving parts out of magnetic field demagnetize the

part after magnetic flow inspection byb) The parts are demagnetize by passing D.C.c) By flowing A.C. through the part and the part is immediately taken out

of the electromagnetic field

79. A bolt should be installed (with load):a) Upward & downwardb) Upward & forwardc) Downward and forwardd) Downward and rearward

80. Ventral fin is used for:a) Directional stabilityb) Longitudinal stabilityc) Lateral stabilityd) Both (b) & (c) are correct

PAPER-II FEBURARY 2006

1. Small aircraft should be tied downa) After each flightb) Every flightc) Before storm

2. Which extinguisher is best for electrical fire:a) CO2

b) Dry chemicalc) Water

3. In pressure fuelinga) Pressure of fuel pump must be at minimum filter pressureb) Pressure must be correct for refueling system

4. Bottle jack is used for:a) Single wheel or all wheel of single unitb) Single wheelc) Single brake unit

5. When tail whell A/C is facing in wind:a) Elevator should be fully uplockedb) Elevator should be fully downlockedc) Elevator should be in neutral position

6. ‘V’ block is used to:a) to hold cylindrical objectb) to hold square object

7. Lift is due to:a) Pressure drop on upper surface of wingb) Pressure drop on lower surface of wingc) Velocity increase at lower surface of wing

8. Which of the following gate represent parallel switch circuit:a) ANDb) NANDc) OR

9. Long shunted compound wound generator has:a) Shunt field across both armature and series fieldb) Series field across both armature and series fieldc) Shunt field across armature only

10. Neoprene is non-compatible to:

a) weatherb) non-aromatic fuelc) aromatic fueld) naphtha

11. High-tigue has:a) chambered fitb) reamed fitc) interference fit

12. 18-8 steel is:a) 8% chromium and 18% Nickelb) 18% chromium and 8% Nickel

13. Regarding margin of drill, mark the correct statement:a) Margin to a drill prevent binding of drill during drilling deep holesb) Is a difference between inner and outer diameterc) Is a difference between helix angle and flute angle

14. Main alloying element of 2024 is:a) Nickleb) Copperc) Magnesium

15. Modulus of Elasticity is the ratio of:a) Stress/Strain within elastic limitb) Stress/Strain above elastic limitc) Strain/Stress within elastic limit

16. Mark the correct statement:a) Phcostat has three terminalb) Potentiometer has three terminal and has low resistance valuec) Phcostat has two terminal and has low resistance

17. Interior cleaning of aircraft is done by:a) Detergent and soapb) Phosphoric acidc) Vacuum cleaner

18. Best suited for checking discontinuity is:a) ammeterb) ohmmeterc) bonding tester