Set-21 dated 20/10/20151. The capacitance of the capacitor in a fuel quantity

indicator depend on a) distance b/w the platesb) area of the platesc) dielectric constant of mediumd) all of the above

2. The capacitance of a capacitor depends on a) type of dielectricb) area of platesc) distance between platesd) all of the above

3. To convert a galvanometer into voltmetera) connecting high resistance in seriesb) connecting low resistance in seriesc) connecting low resistance in parallel

4. Electromagnetic induction depends on a) no. of turns in the coilb) speed of rotationc) strength of permanent magnetd) all of the above

5. In case of an isometric drawing a) vertical lines are at an angle of 1200

b) vertical lines are vertical & horizontal lines at 300

c) vertical lines are vertical & horizontal lines at 600

6. Front, top and right side view correspond to a) orthographic projectionb) isometric drawingc) perspective drawing

7. Write the correct statement wrt MACa) it is an imaginary aerofoil in which all the forces

act in the same way as they would act on a wing surface

b) it is the average of all chords one foot a partc) mean aerodynamic chordd) all of the above

8. Which of the following are high lift devicesa) flaps & slatsb) flaps & boundary layer devicesc) slats & boundary layer devicesd) all of the above

9. An algorithm has a) An inputb) An outputc) An assigned statement

10. Convert 11.75 to binarya) 1011.10b) 1101.11c) 1011.11d) 1110.10

11. The truth table corresponds to A B V 0 0 0 a) AND 0 1 1 b) OR1 0 1 c) NAND1 1 1 d) NOR

12. Universal gatesa) AND & ORb) NAND & NORc) XOR & EXNORd) None of the above

13. Triangular files are a) Have safe edgeb) Tapered along 3 edgesc) Used to cut acute anglesd) Both b & c

14. Lift and drag depends upona) AOA increases Lift & drag both increasesb) drag depends upon frontal area onlyc) lift depends on AOA onlyd) all of the above

15. Delaminations in compositesa) are always visibleb) always accompanied by impact damagec) cannot be detected by coin tap testd) none of the above are correct

16. Ammeter is used for measuringa) current supplied by a batteryb) current supplied by a generatorc) current during charging and dischargingd) current during charging and discharging when

electrical requirement change

17. Lead acid battery electrolyte can be neutralized by a) bicarbonate of sodab) vinegarc) boric acidd) both b and c

18. Composition of Pb acid battery in a fully charged state is a) 30% acid & 70% H2O by volumeb) 70% acid & 30% H2O by weightc) 50% acid & 50% H2O by weight

19. Bonding is done during fuelling to a) provide low resistance pathb) give way to stray currentc) dissipate static charge

20. Radiography depends upona) shape and size of objectb) nature of defectc) film characteristicsd) all of the above

21. Ultrasonic test

a) ferrousb) non-ferrousc) all materiald) ceramic

22. when it is necessary to retighten a nuta) retighten without backing offb) retighten by backing off a single turnc) retighten by backing off one flare portion

23. When it is required to turn the bolt head instead of nuta) max. torque range increasesb) max. torque range decreasesc) max. torque range remains same

24. What is the purpose of flux in solderinga) to remove metallic oxideb) to provide more penetration of solderc) for free flow solderd) all of the above

25. Vortex generator is used for a) high speed characteristics of wing surfaceb) low speed characteristics of tail plainec) low speed characteristics of wing surfaced) both a and b

26. Co-efficient of lift depends upona) shape and area of aerofoilb) shape of aerofoil and angle of attackc) shape of aerofoil onlyd) camber of wing upper surface

27. Hi tigue fastenersa) can replace solid shank rivets of same diab) can replace solid shank rivets of one dia largerc) can replace solid shank rivets of one dia smaller

28. Chord line is a) curved line joining wing LE to TEb) straight line joining wing LE to TEc) max upper camberd) line joining from wingtip to wingtip

29. Negative dihedral is employed in a/c to a) to impart lateral stabilityb) to improve the high speed characteristicsc) to generate more liftd) counteract the effects of excessive lateral

stability

30. Anodized Al is cleaned by using a) steel woolb) sand paperc) Al woold) Carbide embedded paper

31. If the power drawn by a load at a supply voltage of 28V is 20W then the line resistance is a) 78.4 b) 28 c) 82

d) d) 28.82

32. Triode consists of a) plate cathode & heaterb) plate, cathode, tubec) plate, cathode, heater & a wire mesh between

plate & cathode

33. Carbon fibre is anisotropic. This means :a) the molecules are distributed linearlyb) molecules are in aligned thus physical properties

are different in all directionsc) molecules are in aligned thus chemical

properties are different in all directions

34. Junction diode is not used as an a :a) rectifierb) source of lightc) for detecting the intensity of light d) as an amplifier

35. When bolts are rivets are used side by sidea) they are protected by greasingb) they are plated for protectionc) they are lubricated for cooling

36. Failure by fatigue is identified by a) marks that extend at 900 to loads imposedb) marks that are symmetricalc) marks that are at an angle to the part failed

37. Before DPT parts are cleaned using a) kerosene oilb) petrolc) soap and detergent

38. To check a circuit for continuity it must be a) connected to a power sourceb) connected to a batteryc) isolatedd) both a and b

39. Tooth thickness of a gear is measured by a) vernier micrometerb) vernier caliperc) at the point where pitch circle cuts the teeth d) vernier micrometer & vernier caliper

40. A Bevel gear transmits motiona) at an angleb) perpendicularlyc) parallelyd) reduces speed

41. In a spur geara) diametrical pitch is equal to pitch diameterb) PD/DP gives size of teethc) Teeth are cut ut an angle to the axis

42. Elastomer is a) rubber tiresb) metal sheets impregnated with rubberc) rubber containing metal chips for bonding

43. In a micrometera) anuil & barrel moving spindle movingb) anvil & barrel stationary spindle movablec) frame rotatable spindle stationary

44. In case of swaged fittinga) if lesser the dia the fitting is overswagedb) fitting must be rejectedc) lesser the dia the fitting is underswagedd) both a and b

45. Information required in a blue print is a) TPI, major dia, grip length , material , depthb) Pitch dia, minor dia, TPIc) Major dia, minor dia, TPI

46. Modern computers usea) Binary systemb) Decimal systemc) Octal systemd) Hexadecimal system

47. A semiconductor possessesa) infinite resistance at 00Cb) finite resistance which with tempc) finite resistance which with temp

48. CRS consists of a) 18 % Cr and 8% Nib) 18% Ni and 8% Crc) 20% Ni , 2% P and 8% Cr

49. Peizoelectric effecta) quartz crystal & Rochelle saltb) semi conductorsc) freq. depends on thickness of crystald) both a and c

50. Inductance depends on :a) AC or DC (Type of current)b) No. of turns in the coilc) All

51. A gyro having 3 degrees of freedom and 3 mutually 1 axes :a) space or free gyrob) rate gyroc) turn gyro

52. As the speed of a/c a) static prb) dynamic pressurec) both static & dynamic prd) static pr Dynamic pr

53. All purpose rust preneutine compound is a) paralketoneb) lubricating oilc) grease

54. An 310 is used with a) clevis bolts

b) undrilled shank boltsc) hexhead bolts

55. Pitch dia of a gear is equal to a) AXNb) A/Nc) A+Nd) A-N

56. Resistance of a straight conductor does not depends on a) shape of cross section b) materialc) length

57. Screw threads a) square threads have equal width and height

distance b/w the threads is also sameb) Acme thread is a modification of the square

form threadc) Acme thread has 29 degree of included angled) all

58. Flap increasesa) camberb) angle of attackc) none

59. Rockwell testinga) lesser the Rockwell number harder the materialb) lesser the Rockwell number softer the materialc) dia of the ball

60. Convert these number in binary of 11.75:a) 1101.11b) 1011.11c) 1010.11d) 1001.10

61. For neutralize the Pb-acid battery spillage with:a) Sodium bicarbonate/backing sodab) Boric acid and as in (a)c) Vinegard) All of the above

62. Piezoelectric effect is caused on:a) Quartzb) Rochellsaltc) As in (a) & (b) are correct

63. Function of slat & flap:a) To increase the speed of A/cb) To decrease the take off & landing runc) As in (b) & is used in high speed operationd) As in (b) & also to reduce the fuel consumption

64. In pure semi-conductor having resistance:a) Infinite resistance at 0ºCb) Finite resistance with increase in temperaturec) Finite resistance with decrease in temperature

65. Language of computer is:a) Decimal

b) Octalc) Binary

66. Titanium is:a) Having more U.T.S. than Al & stainless steelb) Having light wt. & high strength & corrosion resistance in salt waterc) High strength-to-weight ratiod) All of the above

67. In florescent penetrate inspection the defects will show:

a) Brilliant yellow & green color in black lightb) Deep blue violetc) None

68. Capacitor plate in a capacitor type fuel quantity gauge depends upon:

a) Directly proportional of plate areab) Inversely proportional with distance b/w the platesc) Type of dielectric materiald) All are correct

69. Pn Zn diode does not used as a:a) Light intensityb) Rectifierc) Amplify the sc signals/transformer & light radiations

70. Bevel gear is used for:a) Transmission of load b/w shaft at an angles to each otherb) For variation of speedc) In speed reducerd) All are correct

71. Circular magnetization method used in MPI correct detect which type of defect:

a) Longitudinal cracksb) Deep – sub surfacec) Lateral cracksd) Torsional cracks on a shaft

72. 7 x 19 cable indicates:a) 7 strands of 19 wires eachb) 19 strands of 7 wires eachc) 7 strands of 19 mm wires each

73. Microprocessor at least consists of:a) CPUb) Memoryc) Arithmetic logic unitd) All are correct

74. The greatest size drill amongst the following is:a) No. 1b) No. 30c) 3/16”d) ‘E’

75. Find the micrometer reading from the given diagram:

a) 0.4699”b) 0.4569”

c) 0.4692”

76. The primary cause of inter granular corrosion is:a) Dissimilar metal contactb) Improper heat treatmentc) Due to non-metal & metal contactd) Due to corrosive gases

77. Weft threads are:a) At 45º to warp threadsb) Perpendicular to warp threadsc) Along with the warp threads to form the edged) None are correct

78. Rigid tubing in the a/c are classified according to:a) Outside diameterb) Wall thickness & outside diameterc) Inside diameter & wall thicknessd) Inside diameter

79. 4 in a circuit the resistance is ‘R’ & reactance is ‘r’ then impedance ‘Z’ is expressed as:a) Z = R + rb) √Z = √R + √rc) 1/Z = 1/R + 1/rd) Z2 = R2 + r2

80. The given figure indicates:a) X – NOR gateb) X – OR gatec) C – MOS NOR gated) NOR gate

81. Calculate the power when voltage = 28 volts & Resistance = 10Ωa) 28.4Wb) 784Wc) 78.4Wd) 7.84W

82. In steady & level flight, if the angle of attack increases:a) Lift increasesb) Drag increasesc) Lift increases & drag decreasesd) Lift & drag both decreases

83. In straight & level flight, the dynamic pressure qeting on the tip of nose of the a/c is:a) Maximumb) Minimumc) Zerod) None of the above

84. In pitat static system, the static pressure is sensed at two points by placing flat plates on either side of fuselage:a) Eliminates position errorb) Freedom from ice formationc) Eliminates static & instrument errord) Both (a) & (b) are correct

85. In ATA – 100 specification, the codes for hydraulic, pneumatic five protection system & engine indicating system are:a) 29, 26, 39, 77b) 29, 36, 26, 77c) 36, 26, 29, 79d) 29, 71, 36, 27

86. Fatigue over a man is caused due to:a) Long hours of workb) Emotional stressc) Noised) All of the above

87. Static discharge wicks is mentioned in which chapter of maintenance manual:a) Chapter number 22b) Chapter number 23c) Chapter number 24d) Chapter number 25

88. Elevator is used to:a) For lateral controlb) Rotate a/c around lateral axisc) Establish a/c about lateral axisd) Both (b) & (c) are correct

89. Angle of incidence is defined as:a) Angle b/w longitudinal axis & relative windb) Angle b/w longitudinal axis & chord linec) Angle b/w chord line & relative windd) None of the above

90. Torque tube is:a) Act as rotating member in cable systemb) Compression & tension both load can withstandc) Used along with bell crankd) Convert rotary motion along with bell crank

91. In an electrical ckt. If capacitance is 100 microfarad & charge is 1 micro colomb, then voltage rating would be:a) 100 Vb) 10 Vc) 1 Vd) 1000 V

92. Given figure indicate:a) Splined shaft b) Meshing gearc) Gear & pinion

93. Given figure indicate:a) Double pole double throwb) Double pole single throwc) Single pole double throwd) Push pull s/w

94. Given figure indicates:a) Bucking bar not held properlyb) Excessive drive c) Upset head

95. If one wheel is be jacked:a) Tripod jack is usedb) Remaining wheel should be chockedc) Wheel raised should be raised by 6” to 8”

96. Shunt a/c motor is used to drive:a) Landing gearb) Gyro & servo motorc) Flap

97. Ac motor is used in respect of DC motor or advantage of a/c motor over DC motor:a) Less weightb) Less manufacturer cost & maintenancec) Brush & commutator is not used in A.C. motor

98. In A/c seeps in fuel tank is specified by:a) Low seep, seep, heavy seepb) Stone, low seep, heavy seep, running leakc) Running leak, leakd) All of the above

99. Annealing of steel is done for:a) Maximum ductilityb) Softnessc) Low strengthd) All of the above

100.High resistance load in electrical ckt. Is checked by:a) AVM meter in DC ohmb) DC battery with lampc) Maneto synchronizerd) Both (b) & (c)

101.In given figure of welding is indicates:a) V-weldb) U-weldc) Double beveled weld d) J-weld

102.Conductor having 4Ω resistance, stretched twice in length then new Ω would be:a) 4 Ωb) 8 Ωc) 16 Ωd) 12 Ω

103.Titanium is heat treated to:a) Relief internal stressesb) Annealing for further cold workingc) Thermal hardening to improve d) All of the above

104.If two battery A & B such that A having greater plate area than B, then internal resistance of A will be:a) Greater than Bb) Smaller than Bc) Equal to Bd) None

105.MTCS:a) In nacelle it is measured from the front spar of

the wing

b) Water line measure height in inches in parallel to the horizontal plane

c) Butt line measures width from left to right, parallel to the vertical plane

d) All of the above

106.Hose colour of 100 LL fuel is identified by:a) Red bandb) Black bandc) Red band green stripd) Black band yellow strip

107.Colour of fuel line is:a) Red colourb) Blackc) Brown

108.MTCS:a) Reed & prince s/w driver having blunt pointb) Phillips s/w driver is bluntc) Phillips s/w driver having pointed

109.Kirchoff’s law is applicable for:a) A.C. ckt.b) D.C. ckt.c) Both A.C. & D.C. cktd) Both A.C. & D.C. excluded capacitive &

inductive element

110.Fatigue crack detected by:a) Ultrasonicb) Magnetic particle inspectionc) Eddy currentd) All of the above

111.In composite impact damage & water disbond is inspected by:a) Thermal halo graphb) Laser halo graphc) Ultrasonicd) X-ray