DGCA PAPER 2 OCT. 20131. Trickle charging in lead acid battery

a. prevent sulphation b. for fresh & fully charge c. maintain electrolyte

2. High pass filter allow to passa. Carrier frequency b. Audio frequencyb. Steady to dc level d. ATA

3. Refueling of the a/c from stored can & barrel must be run with (old 9A)A. Plastic fuel strainer b. chamois’s & non conductive strainer

c. Chamois & metal screen d. any non conductive strainer

4. Higher resistivity in which material

a. lead b. copper c. aluminum d. silver5. power factor in R-C circuit

a. 0 b. between 0& 1 c. between 0 & -1 d. unity6. Before fuelling using pressure fuelling

a. Truck pump pressure must be correct to the tankb. Truck pump pr. Equal to tank booster pump.c. --------------------------------------------------------------

7. RF frequency rangea. One band HF 3-30 mhzb. Two band HF & VHFc. Three band HF , VHF & MF

d. Four band HF,MF,VHF,UHF8. Voltage gain 200 and current gain is 50 calculate power gain

a. 4 b. 10000mA c. 10000uA d. 100009. (Aˉ+Bˉ) boolen algebra indicate

a. Aˉ+Bˉ b. Aˉ-Bˉ c. Aˉ.Bˉ d. Aˉ.B

10. Oscillator circuit used in

a. +ve feedback b. –ve feedback c. zero feedback

11. NAND gate input connected together the circuit is

a. OR B. AND c. NOT d. NAND

b.12. In digital circuit NAND GATE

a. OR b. NOT c. NAND13. During forming process of al. alloy making repair (15A pg.144)

a. Hammers and mallet c. rotary machine used

b. Hit & try to max. achievec.

14. Bend allowance is (15A pg.146)

a. Thickness of material to bend c.length of material required to bend

b. Radius of material to bend15. 20000 Ω/v

a. 5ma b. 20mA c. 50 mA d.200 mA16. Smoke detector used in cargo & baggage compartment

a. Chemical detector b. photo electric cell c.fire detector

17. Fittings used in a/c

a. Thimble b. shackles c. terminal d. ATA18. Which pin used in tierod terminal& secondary control

a. Tapper pin b. flathead pin c. cotter pin d. both a&b

19. Turnbuckles are fitted in cable assembly for purpose of

a. Making for minor adjustments 20. Convert binary to decimal 10110101

a. 254 b. 264 c. 18121. An aircraft cable have

a. High mechanical efficiency c. setup by without backlash

b. Important for precise control d. ATA22. MTCS regarding cable wire

a. The dia of the wire determine the total dia of the cable

b. Length of the cable c. material

23. In primary control cable is used

a. 7×1924. a/c control cable made of

a. carbon steel25. which fastener is used for securing cowlings

a. gust lock fastener c. camloc

b. shakproof d. both 1&326. bulb diagram

a. r1 will glow b. r2 will glow c. both r1&r2 will glowd. none

27. part no. AN470AD3-5 AD indicates

a. 2017-T b.2024-T c.2117-T28. Universal head rivet combination of

a. Countersunk , brazier head c. countersunk ,flathead

b.Flathead, brazier head29. Rivet is identified by

a. Part number b. AN standard no. c.MS standard no. d. ATA30. In rivet head marking indicate

a. Material b. coating c. heat treatment d. ATA

31. Solid shank rivet identified by

a. Shape b. color c. size of shank d. ATA

32. NAS stand fora. National aerospace standard c. national aviation standard

b.National aircraft standard 33. Which washer is used in high vibration condition

A. Shakeproof lock washer c. lockwasher

B. Special washer34. Regarding helicoil MTCS

a. Made of 18-8 stainless steel wire c. have diamond shape cross section

b. Threads in unified coarse d. ATA

35. Which type of micrometer used with torque wrench a. Flexible beam c. rigid & frame

b. Rachet type d. ATA

36. Identified aircraft nut diagram

a. Boosts aircraft nut c. elastic stop nut

b. Elastic self locking nut37. The castle nut AN310 is used in drilled shank

a. AN hex head bolts c. eye bolt

b. Clevis d. ATA38. Bolt identification diagram

a. AN standard steel bolt c. AN standard steel bolt(corrosion resistant)

b. Close tolerance bolt 39. MTCS

a. When bolt is tightened nut is hold &bolt head is turn

b.Screw is turned by its head c. Threaded screw is pointed

40. Brinell hardness no. measure

a. Dia of impression b. resistance to penetration

41. Which treatment is reduce the hardness of harden steel

a. Normalizing b. annealing c. case hardening d. tempering

42. H2 indicate

a. Strained hardened only b. strained hardened & partially annealed

43. Lockbolt diagram identified

a. Pull type b. stump type c. blind type

44. Intergrannular corrosion which type NDT method used

a. UST b. eddy current c. x-ray

45. Aircraft cooling system consist of

a. A source of compressed air, heat exchanger, turbine

b. Bleed air , turbine , heat exchanger46. Chord line

a. Leading edge to trailing edgeb. Wing tip to tipc. Trailing edge to leading edge

47. EFIS MTCS a. Indicate all engine parameter

48. Identifiy line diagram

a. Visible b. stitch c. datum49. Aircraft jacking MTCS

a. At least 4 jacking points provided for jacking purpose

b.Jacking leg does not interfere to any aircraft system

c. Before jacking parking brake should be ONd. ATA

50. 1159000000 indicates

a. 115.9MHz51. Demagnetization by holding the parts done by

a. AC current b. DC current c. both AC & DC 52. Slat is used for

a. Reduce stalling speed c. drag increase

b. Speed increase in takeoff53. Micrometer vernier scale reading

a. .279254. Micrometer reading

a.1.472 b. 1.456 c.1.45 d. none

55. Leveling of aircraft carried out by

a. A scale used with plumb bob placed with level longitudinally & laterally

56. Regarding tie down MTCSa. Tie down connect to lift strut

b.The 1 inches slackness provided for movementc. ----------------d. ATA

57. Useful load

a. Max. gross weight – empty weightb.

58. For engine starting which type fire extinguisher is used

a. Co2 b. dry powder

59. Which generator have poor voltage regulation

a. Series b. shunt c. compound

60. Which type fire extinguisher is used on class c fire

a. Co2 c.dry powder

b. Halogenated hydrocarbon d. both a & b61. In case of short circuit of capacitor ohmmeter indicates

a. Infinity b. reads zero & stay there62. Semiconductor diode measure in ohmmeter what it will indicate

a.Low resistance in both portion of lead c. high resistance in portion of the lead b. one side of portion high & opposite side low resistence

63. Self inductance one hennery equal toa.10v & one amp/second c. 1v &10 amp/second

b. 1 milivolt & 1 amp/second d. one volt & one amp/second

64. The iron core provide in transformer

a. Low reluctance for magnetic line of forceb. Reduce Eddy current loss

65. Inverter MTCS

a. It convert dc to ac c. rotary inverter consist of AC motor & AC

generatorb. Solid state static inverter used as a rectifier d. ATA

66. NOT gate indicate

a. Inverse 67. Battery connection MTCS

a. When removing battery negative lead remove first

68. Bypass ratio

A.Ratio between air flow core of the engine & fan air

69. Engg. Drawing Round solid section indicate

70. Total piston displacementa. Depend upon compression ratiob. Piston displacement in cylinder

c. Both a&b71. Kirchoff mesh law

a. ЄIR = 0b.

72. ATA code 27a. Air condition b. auto pilot

b. c. Fire protection d. Flight control73. R.M.S. value of half wave circuit current is 10 amps , what will its value for full wave

a. 14.14 amps c.20 amps

b. 14.14 Ω74. While storing the aircraft in the hanger

a. The fuel tank should be emptyb. The fuel tank should partially filled

c. The fuel tank should be filled75. Taxi signal

a. Left turn76. For the statement “output is low when all inputs are high” gates are

a. Positive OR/ negative ANDb. Positive AND/ NEGATIVE OR

c. Positive NAND / negative NOR77. When lead is increased then a point is reached when a faint luminious spark of bluish

colour appears along the length of counductor this effect is known as

a. Corona effect78. 8 – bit resister that store the memory o/p when read operation is performed

a. MDR79. Computer which receive data & does not transfer data

a. MAR & IR 80. Working principle of airspeed indicator

a. Differential pressure between and static and pitot probe

81. Transistor is used over vaccum tube having drawbacksa. Transistor have low power dissipationb. Have low input impedancec. Dependent upon temp.

d.ATA82. A metal which can be hammered , rolled or pressed into various shapes without

cracking ,breaking or leaving some other detrimental effect

a. Malleability83. Which type of aluminum used in aircraft construction for stringer , bulkheads , skin ,

rivets, extruded section

a. Wrought aluminum alloy84. A bolt is used on shear load

a. Clevis bolt85. A punch is used of drive out damaged rivets

a. Pin punch86. After servicing , electrical leakage in ni-cd battery should be checked by

a. Miliohmmeter c. miliammeterb. Milivoltmeter d. any of the above

87. A D.C. generator consist of

a. Rotating armature, field windings ,pole shoes88. Moving coil instrument measure

a. Only D.C. C. Both AC & DCb. Only A.C.

89. IN repairing the primary & secondary structure

a. Structural repair manual90. The welding method suitable for welding tools & equipment is

a. TIGb. Gas metal arc welding

c. Shielded arc welding91. After welding if found pitting adjacent the weld it probably indicates

a. Rapid cooling

b.Excessive heat during weldingc. Both A & B

92. During flight instances , when angle of attack increases , centre of pressure moves

a. Forward move93. Most of the aircraft use 400 hz AC system use because

a. Has high inductive reactance

b.As in a & this allows to use of small motors & equipments

94. After charging ni- cd battery if any of the cells are found unbalanced the battery should be

a. Deep cycled95. 1180 about aluminum alloy means

a. 99.8% pure aluminum alloy with one control over heat treatment

96. Regarding aircraft wire AN-20 and specification MIL- W-5806a. It is Copper wire c. aluminum wire

b.As in 1 and has high conductance air than in conduit

97. Identify diagram

a. Automatic , push reset, push reset &pull off, switch type

98. When drilling soft metal the cutting angle

a. 90 degreeb. 118 degree

99. When charging lead- acid battery that indicate a. Cathode plate color chocolate brownb. Voltage increasec. Sulphuric acid specific gravity decrease

100. When hydraulic lock detected

a. Remove either front or rear spark plug and rotate through.