DGCA PAPER- 2 FEB-1116, The capacity of capacitor depends ona) M…………. of dub) Dir……….. proportional to plate auac)Thickness of plated) All

17. For transistor to conducta) E-B induction forward biasedb) C-B induction ….. biasedc) All of aboved)

18. Transistor has coust…………. as followsa)Transistor has PNP j………..b) As in 1 grid is re…………biasedc)As in 1 grid is forward biasedd)

19.The damping C)K.T consists ofa) Transistor & diode……….b) As in (A) DC supply ………..c) when supply removed it at as demodulatord)

20. Mooring of large a/ca) Ropesb) Cablesc)Chainsd All of above

21. Metals which can be …………….. easily beaten into shak all calleda) Mallabilityb) securtc)d)

22. In star connectiona) Line current is equal to phase currentb) Line voltage is equal to phase voltagec)d)

23. In p …………. inductor C)K.Ta)Current lages voltage by 90b)c)d)

24. In o solenoid if N is number of torns of the co………… …………….. flowing through it & current flowing to the solenoid is I then inductanus of coil is (N….)a) Direc…………. 2 No of turnsb)Dire………………… …….. fluxc)Inu………………………..d) All

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25. In spark test which gives white splingsa) low carbon skell b)wrought iron c) d)

26. Which of the cell is not effected by high discharge ………… a) Secondary cellb) Ni-cadc)Lead avidd) Rechargeable battery

27. In which can be efficiency of x’m….. is b……….a)when ……. loss in Minb) Iron loss in Minc) Iron & hy……. is Mind)

28. In which ………. the efficiency of transformer is beforea)cell loss minimumb) iron loss minimumc) iron & hysteresis is mind)

29. When temperature increases what is the effect of high resistancea) Increasesb) Decreasesc) Resistd)

30. When quick assembly disassembly is required?a) Socket,Nut,Nippleb)c)d)

31. The cable having medium flexibility used is landing geara) 7x7 b) 7x19 c) 19x7 d)

32. What is a universal gates?a) Nor & NAMDb)c)d)

33. The output of dubble AND gate isa) NOR b)NAND c) OR d) AND

34.Hexadecimal C5 F2 is a) 11000101111 b)c)d)

35. Binary equivalent of 3754 isa) 1111010110000bc)d)

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36. When the voltage transformer ratio is the unity?a)bc)d) The No. of turns of secondary is more than primary

38. Transistor configuration is a) Common Collectorb) Common Emitterc) Common based) All of the above

39. When bipolar transistor,when both junction are reverse based?a) It will cut offb) It will be in saturationc) as in (a) Vcc=VCEd) as in (b) Vcc=VCE

40.Before parking the A/c inside the hangera) a/c must be completely drained outb) Fuel tank must be half filledc) fuel trained except unserviceable remainingd)

41. Location of signal man during taxinga) In front of the noseb) In front of the a/cc)In the left & noible to pilotd) In the right

42.The main composition in soldera) Lead & tinb) Lead +Silverc) Lead + antimonyd)All

43. Melting point of silver solderingabcd) 500 to 800 F

44. Which composite metal causes corrosion with Aluminiuma) Carbon , Graphiteb) Aramidc) Borond) Fiber glass

45. Which heat treatment is done an all allaya)b)c)d)

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47. The type of fit known as ………..a) bcd

48. Lift generator an upper surfaceabcd

49. Definition of ‘detail drawing’a)b)c)d)

50 Definition of ‘expladed drawing’a)b)c)d)

51. Self inductance of f………………….a)b)c)d)

52. Form factor……..a)b)c)d)

53. A transformer is stepped upa)b)c)d)

54. Aerofoil surfacesa)b)c)d)

55. 5A,12Ω Find out the total resistance of the ckt and the current flowing through ita)b)c)d)

56. Find out the total capacitance of CKT

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14f34f

a)b)c)d)

60 Oil % chalk process the chalk work is a) To act as a penetratorb) Developerc) Gives dark gray with light gray backgroundd)All

61. The purpose of flux isa)reduces oxidationb)Reduces other contaminationc) Make molten (fused metal to run freely in the weld)d)All

62. In which type of capacitor the polarity be observeda) Paper capacitorb) Mica capacitorc) Oil capacitord) Electrolytic capacitor

63. Which bolt is used in shear never intens?a) Jo-boltb) clevis boltsc) eye boltd)

64. When current passes through 2 conductors in same directiona) Attractsb) Repelsc) Not affectedd) None

65. Induction motors are classified asa) Synchronous motorb) Asynchronos motorc) universal motord)

66. In Hardness testing the Rockwell tester gives induction bya)Dia of impressionb) Depth of impression of the hardness value is the difference b/w High valve of low valuec)d)

67. Transformera)Increase roltageb)Increase current

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c)produces voltaged) produces current

68. Commutator in DC generatora) Depends upon the no. of coilsb) Provide pulsating DC to the loadc)d) both (a) and (b)

69.T6 indicatesa) Solution heat treatment 6 alloy of that metalb) Tempered Hard & 6c) loaghness SHT & AAd)

70, The capacity test of a battery determined bya) No of platesb) electrolyte levelc) Rate of dischargingd) All

71. The combustible metala) Increase when02 is rich in the surroundingb) Environmentc) Decreased)All

72. The transistor area) Main function is to convert Ac to Dlb)Bias in one direction not necessaryc)d)both(a) & (b)

73. 18-8 steela) 18% cr & 8.1 Nib)c)d)

74. For dissimilar metal corrosion occuri) Anode should be reverseii) cathode should be reverseiii) Electrotype should be reverseiv) These should be contact between on….. & cathode

a) i,ii are correctb) i,ii& iii are correctc) I,ii,iii& iv are correctd) None

75. 2Mb equalsa)2x21 b)2x25

c) 2x210 d) 2x220

76. Force which tends to pull a parta) shear strength

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b) tensile strengthc)d)

77. SCR consista) There diodeb)c)d) All

79. Mercury spillage on al surtalla) corrosion will take place it not cleaned which is intergranular corrosionb) surface pitting & corrosion due to continues presence of Mg. on the surfacec)d)

80. D….. penetrant inspection on useda)non ferrous materialb) metallicc) non metallic & non-ferrousd)All

81. In pulse echo type defect detectiona) Techniqueb sub surface defectsc)d)

82. Slip dependsa)Difference between actual speed of rotor synchronous speedb)c)d)

83.LED is useda)b)c)d)

84. Diode used asa)b)c)d)

85. Zener diode isa) works in reverse biased conditionb) is also called breakdown diodc)covalent bond break after a certain pointd) All

86. On 2 mm thick al sheet anich a…… is carried outa) ultrasonic

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b)…c)d)

87. For a transistor to conducta) EB to be forward biasedb) CB to be reversed biasedc) EB to be reversed biasedd) A&B both are correct

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