DGCAFeb 2014 PAPER 21. The unit of power electricity in SI system1. Watt2. Joule3. Kilowatt or joule

2. A DC motor of 3 H.P. operate on 24 volt has full efficiency is about 75% then how much voltage is required to generate 3 HP at unit current1. 1000 V2. 2238 V3. 27975 V

3. To Charge the battery required 14 V, a source has 2A at 8V then it connected to by1. Variables resister 3 Ω Connected in series2. Fixed resister connected 2 Ω in parallel

4. In long time storage the bat will charge by1. No store long time2. Bat should keep trash & fully charge3. As in 2& Bat should be charge by trigger .4. At in 3 & when periodic inspection is done if require water to be added.

5. MTCS with respect to bat1. Battery store in engine compartment2. Manufacture of BAT give the information about at maximum temperature of battery & plate area is to be maintain3. Bat gases vented to only from battery compartment by vent tube .

6. Battery check by ammeter for the purpose of1. To see the pilot2.3. To check bat charge.

7. Which is high lift devices1. Flap2. Slat & slot3. Vertex generator4. All

8. Which are auxiliary deices1. Flap2. Slat & slot3. Vertex generator4. All (15 A pg no 18)

9. Identify the figer1. Straight reamer( power)2. Straight reamer. . ( hand)3. Taper reamer

10. Identify fig.1. cutting line2. Section line3. Datum line

11. Identify fig.1. Ratchet handle2. Speed handle

12. Identify fig.1. Straight hammer2. cross pin hammer3. Ball pin hammer

13. Identify fig.1. AN standard bolt2. Bolt3. AN standard bolt ( corrosionresistance bolt )

14. Indentify fig1. Push pull bolt2. Blind head bolt3. Stump type

15. Identity fig1. Taper tab2. Bottom tab3. Plug tab

16. Binary addition of11011 & 110 is1. 1000012. 1100103. 110011

17. Condition1. When s/w on light glow2. When s/w on light glow3. When s/w off light out4. When s/w off light deem glow

18. Condition1. NAND gate2. OR gate3. AND gate

19. In voltage regulator the voltage is control by controlling it’s1. Field winding2. I/P ckt3. O/P ckt

20. A alternating current source having battery can be charge by1. To transformer step down & rectifier2. Half wave rectifier3. Inverter is use

21. The purpose of antiskid system1. To monitor speed of tire ( wheel at any condition )2. To monitor the pressure of hydraulic apply on brake3. To prevent all from skid due to over speed4. All

22. Close tolerance bolt (9A-5-38)1. Class – 12. Class– 23. Class – 34. Class – 4

23. To determiner highest resister (9A-chp-10)1. Ohm – meter2. Multi –meter3. Megohm meter ( meager )

24. For cutting hollow tube of thinmaterial use(9A-9-8)1. All hard hex-saw2. Flexible blade

25. Moving coil volt meter measure (BLT- 1 pg.452)1. Only A.C Voltage2. Only D.C Voltage1. The waiting scale set to lobar

26. The hoses are classified by (9A-17-37)1. Pressure2. Vacation3. Fatigue4. All

27. Electronic fight instrument system function is to1. Display the data alphanumeric form2. Input dada receive, process & send to appropriate display3. Pilot ______________________ ______

28. To control pressure in increasing altitude in the a/c use1. Outflow V/V2. Septy V/V3. Both

29. Cross flow V/V in use in system to turn direction from one actuating cylinder to another actuating cylinder use in 1.Engine system 2.flap system 3.Landing gear system

30. The motor USE in engine starting1. Slit series motor

2. Shunt series motor3. Shunt motor 31. When piston displacement determine by R-932 A-3 mears that1. Piston displacement of all cylinder2. Air drawn per 932 revolution3. Piston displacement 1 cylinder

32. For welding of titanium (TITTERTON PG NO.350)1. Electric arc welding are USE2. Spot welding3. Gas welding

33. The engine firewall made or 1. Stainless steel2. Titanium3. Molybdenum

34. Instrument are shock mounted to1. High frequency low amplitude2. Low frequency High amplitude

35. Corrosion bet two part which slight relative motion to each other1. Calsonic corrosion2. Inragranular corrosion3. Fretting corrosion

36. MPI applicable to 1. Aluminium alloy2. Iron base alloy3. Non magnetic part

37. DPI find small forms of cavity1. Minar defect2. Inclusion

38. DPI in which part are clean by1. Petroleum base solvent2. Water base solvent

39. Compass needle if(disturb) rotated to update at correction card1. When servicing the compass2. When any component changed that effect the magnetic field of compass3. When annual inspection is carried out

40. When hydraulic lock detected1. Rotate propeller opposite direction2. Rotate propeller normal direction3. Remorse either front or rear sprat plug & rotate through

41. Refueling of a/c from stored can & barrel must be with1. Chamois & non conductive strainer2. Plastic fuel strainer

3. Chamois & metal screen

42. Higher resistivity in which at highest temperature(ESMIN)1. Lead2. Copper3. Aluminum4. Silver

43. Power factor in R-C-cck1. O2. Between o & 13. O & 0-4. 1

44. Before fuelling pressure of fueling1. Truck pressure must be equal to refueling pressure2. Truck pressure equal to booster pump pressure

45. RF frequency range1. One band HF 3-30 H2. Two band HF & VHF3. Three band HF VHF & MF4. Four band HF, MF, VHF, UHF

46. Oscillator cck use in1. +VE feedback2. –ve feedback3. Zero feedback

47. In digital gate which gate use repeatedly1. NAND gate2. NOT3. OR

48. Sensitivity of coil 20000 Ω lv amount of current required to full scale deflection1. 5 MA2. 5 micro amps…3. 30 A

49. Turnbuckle fitted in cable assembly for purpose of1. Macking minor adjustment2. Prevent corrosion3. Use to expand & contract

50. Convert binary to decimal 101101011. 2542. 2643. 181

51. Primary control surface made1. Medium flexible2. Flexible3. Extra flexible

4. None will glow

52. Balb dia. when c and d is short then (BLT 1)1. R1 Will glow2. R2 will glow3. Both R1 & R2 will glow4. Non will glow

53. Solid shank rivet identity by (9A -5-56)1. Shape2. Color3. Size of shank

54. Brinell hardness no. Measure 1. Dia of impression

55. Which heat treatment reduce hardness of harden steel1. Normalizing2. Care hardening3. Annealing4. Tempering

56. H2 indicate1. Heat treatment done & stabilize2. Heat treatment do not done & cold work3. It heat treatment no strained hardened & partially annealed

57. Intergranualar corrosion which type NDT method Used most effective1. Ultrasonic2. Eddy current3. X – ray

58. A/c Cooling system consist of1. A source of compressed air heat exchanger turbine2. Bleed air turbine heat co change

59. A/c jacking MTCS1. At least & jacking point provide for jacking purpose2. Jacking leg do not interfere to any a/c work3. Before jacking parking brake apply

60. Demagnetization by holding the part done by (9A-8-30)1. Ac Current2. DC Current3. Both

61. Leveling of a/c carried out1. Spirit level use to on pilot level a/c on laterally level2. Spirit level are on landing gear for longitudinally level3. Scale is use with plumb bob to level a/c latterly & longitudinally

62. Regarding to tied down of a/c1. tied down connect lift stud2. The 1 inch slackness provided for movement3. No slackness required

63. Semi conductor diode measure in Ω meter & water will indicate1. High in portion of both side lead2. One side portion high & opposite side low resistance3. Low in portion of both side lead

64. Self inducting of 1 hennery equalto1. I mill voltage to the one amplifier second curer flow2. I volt to the 10 ampere per second current flow3. I volt to the I ampere per see current flow

65. Inverter( 9A-10-100)1. In convert DC to AC2. Rotary invertors consist of AC motor & AC generator3. Solid state inverter are rectifier unit

66. NOT gate1. Inverse the 1/P

67. By pass ratio1. Ratio of air flow fan to core engine2. Air flow both core of engine3. Flow directly to far

68. Kirchhoff mesh law (BLT 1)1. £IR=02. £IR+£EMF=0

69. ATA = 271. Air condition2. Du to pilot3. Fire protection4. Fight control

70. While storing the a/c hanger1. Fuel tank should be fill2. Fuel tank should be empty3. Fuel tank partially filled

71. For the statement output is low when all i/P are high gate are1. +VE OR / - VE AND2. +VE AND / _OR 3. +VE NAND / -VE NOR72. A metal which are hammer, rolled or pressed into varies shapes without cracking, breaking, or leaving any detrimental effect.1. Melleability.

73. Which type of aluminum alloy use in a/c construction for stringers, bulkhead, skin, rivet, extruded section

1) WROUGHT ALLUMINIU 74.A D.C generator consist of (BLT VOL 2)1) Rotating armature, field winding, pole shoe

75.Voltage gain 200 and current gain 50 calculate power gain 1.42. 10000MA3.10000µA4.10000

76.EFIS MTCS1. Display data alphanumeric form.2. I/P data receives data , process ,and send appropriate3. Pilot_________

77.IN repairing the primary & secondary structurea. Structural repair manual

78.The welding method suitable for welding tools & equipment isa. TIGb. Gas metal arc weldingc. Shielded arc welding

79.After welding if found pitting adjacent the weld it probably indicatesa. Rapid coolingb. Excessive heat during weldingc. BOTH A&B

80. Most of the aircraft use 400 Hz AC system use becausea. Has high inductive reactanceb. As in a & this allows to use of small motors & equipments

81. After charging ni- cd battery if any of the cells are found unbalanced the battery should bea. Deep cycle

82.1180 about aluminum alloy meansa. 99.8% pure aluminum alloy with one control over heat treatment

83. When ELT battery is remove1). after it discharge2). After 50% of full capacity to be discharge

84. MTCS1) Propeller produce small amount thrust to large volume of air transfer2) Turbojet&turbofan produce more amount of thrust to small volume of air transfer3) BOTH

85. Faraday`s law of electromagnetic induction, produce1) Alloy or parallel to lines force2) Cut the lines of force3) Area of lines of force (BLT VOL 1)

86. Input of NAND gate connected together which form(VK MEHTA)1)NOR

2)NOT3)AND

87..Sequence of piston engine1)INTAKE ,COMPRESSION ,IGNITION,POWER ,EXHAUST.

88. Spark plug fire1)TWO REVOLUTION OF CRANKSHAFT.

89 In hardness testing the hardness if indicated directly on dial attached to tester1. Brinell hardness tester2. Rockwell hardness tester3. Basel hardness tester

90 To measure hardness of al-alloy, copper, brass1. Brinell hardness2. Rockwell hardness3. Barcol hardness

91 In helicopter rotor blade produce1. Gyro principle2. Centrifugle force & lift3. Gyro4. All

92 In IDG1. Carbon brush Use2. 3 Ø SUPPLY IS given3. It is couple with APU

93 In Engine EGT Thermocouple if made of1. Iron & cemented alloy2. Cromel & alumal alloy

94 It indicate that UNF1. National course2. Unified national cource3. American unified national course

95 In data computer system1. 1 - 8 in date label2. 9 - 10 some designation indie3. 11 – 28 Data in formation 4. All96 In drill the more accurate is1. Fractional drill2. Number drill3. Letters

97 Which instrument is use only in static pressure1. VSI2. Airspeed indicators

3. Altimeter4. _______5. _________a) 2 & 3 & 4b) 1 & 3c) 2 & 3 & 5d) 1 & 3 & 5

98 The drawing don not locate location of individual position of component1. Installation drawing2. Schematic drawing

99 In hanger Jack Use to weighting an a/c because1. Level the aircraft2. Air current do not destabilize the all3. The waiting scale set to 0 lbs.

100. Which fire extinguisher most effective on class C fire.1. CO22. Halogenated3.Both