. For jacking the a/c:a) normally the jack points are given in all a/cb) three points on a/c for jacking is provided to stabilize the a/c about three pointsc) jacking points are located in relation to C.G. positiond) all the above are correct

208. Fuel lines are identified by:a) color code and geometrical signb) color codec) color code and named) all the above are correct

209. In ATA specification the electrical cable no is instructed as---numbers and letttersa) extent ion tab a. prefix suffixb) pound split die b. in middlec) bottom tap c. side & sided) a & b are correct d. all of the above

210. Thread in deep holes are cut by:a) extension tapb) round split diec) bottoming tapd) a & c are correct

211. Tool shown in fig. 65:a) allen wrenchb) offset screw driverc) Philips screw driverd) Common screw driver

212. Punch shown in fig. 66a) pin punchb) aligning punchc) starting punchd) prick punch

213. Tool shown in fig. 66a) combination wrenchb) box and wrenchc) open end and box wrenchd) double ended wrench

214. Size of flat cold chisel is identified by:a) length of cutting edgeb) width of cutting edgec) weight of the chiseld) all of the above are correct

215. File shown in fig. 67a) square file, taperb) knife filec) pillar filed) none of the above

216. If twist drill is not printed clearly, it can be checked bya) drill size guage no. system on left and fraction system on rightb) drill size guage with no. system on right fraction on leftc) SWGd) By micrometer

217. Micrometer reading in fig. 68a) 0.588”b) 0.578”c) 0.568”d) 0.563”

218. Mark correct statementa) A transistor connected in common-base configuration has a low input registance and high

output resistanceb) At transmeter connected in common omitter configuration a medium input resistance and a

output resistancec) The input and output signals of a common omitter are out of phased) All the above are correct

219. The arrow head on the transistor symble always pointing the direction ofa) hole flowb) electron flowc) electrons are the majority carrierd) holes are the majority carrier

220. The energy loss in a transformer is due to:a) heating the coilsb) eddy current in the corec) low permeability of ferro magnetic substanced) both a & b are correct

221. A computer stored instruction in:a) English languageb) Decimal number systemc) Octal number systemd) Binary number system

222. An input unit of a computer communicatea) between operate and computerb) between memory with printerc) between cpu with monitord) between output and computer

223. Assembler is:a) personalb) programmec) languaged) none of the above

224. If a current is a passing through the conductor the magnetic field induced depends on which law:

a) laplace’s lawb) biotsavart’s lawc) faraday’s lawd) none of the above

225. In welding scatter is:a) scattering of small partials around a finished weldb) small holes on the welded structurec) depositing of excess weldd) none of the above is correct

226. A circuit carrying resistance, inductor, capacitor, across the circuits each carring low, when the circuit is shorted in inductor then what is the value of capacitor:

a) 10vb) 10 root 2c) 10 root 2vd) .28v

227. Electric are weldinga) it emits ultravioletb) infrared rays at high current flowc) poisonous gasd) all above are correct

228. soldering of Al alloy differs from other metala) low temp settingb) very high temp, settingc) no flux is usedd) flux is applied with solder

229. For dye penetrant test mark the correct statement:a) large penetrating time larger crackb) small penetrating time smaller crackc) larger penetrating time smaller detectsd) all the above are correct

230. In X-rays:a) if thickness is more the blacking is less long on the filmb) thickness of metal as referred to hose densityc) sensitivity of the radiography is determined by TQTd) all of the above

231. Mark the correct statementa) corrosion on carbon steel is in form of brown, red colorb) corrosion on C.B.S. in sheets dimeling is the necessary

OCTOBER / SEP – 1996

1. In transformers, mark the correct statement:a) if any of windwings are shorted, it is easy to detect by measuring resistanceb) in case if shorted windwing, the transformer becomes hotc) if there is shorted windwing, the output voltage will be very highd) both b & a are correct

2. If the frequency of the primary voltage of a transformer is increased from 50Hz to 60 Hz, keeping peak voltage same, the voltage in the secondary will

a) increase by a factor of 60/50b) increased by a factor of 50/60c) be unpredictable for want of sufficient datad) not change

3. ‘n’ identical cells, each of the emf E and internal resistance r, are connected in series to form closed circuit. An ideal voltmeter connected across ‘n’ cells will be

a) NEb) Zeroc) (n-N)Ed) N(1-N/n)E

4. Very high insulation resistance of electric cable is measured bya) meggarb) high range ohm meterc) ammeterd) voltameter

5. When batteries are connected in parallela) voltage increases, capacity remains the sameb) voltage remains same but capacity increasesc) voltage depends upon plate aread) no effect on either power or voltage

6. To increase the voltage of batterya) cells are connected in seriesb) cells are connected in parallelc) plates are connected in seriesd) electrode area is increased

7. Voltage drop across a conductor of known resistance depends ona) current flowing inside the circuitb) voltage of the circuitc) the amount of thickness of wire insulation

8. E-glass isa) also known as electric glassb) also known as borosilicate glassc) has low strength and weight ratiod) all

INDIAN INSTITUTE OF AERONAUTICSComputers

Objective Questions:

1. A computer in a/ana) mechanical deviceb) electrical devicec) electronic deviced) electromechanical device

2. A “flow chart” is a a) step wise representation of a programmeb) a systematic pictorial representation of a programmec) is a kind of programme written in high level languaged) either a & b

3. In order to drew a flow chart we used this symbola) for input/outputb) for processingc) for start/setupd) for decision making

4. A digital computer can be operated witha) only numerical datab) only non numerical datac) both numerical and non numerical datad) neither numerical nor non numerical data

5. Algerithm is a:a) pictorial representation of a programmeb) a stepwise systematic representation of a programmec) high level language to represent a programme systematicallyd) assembly language to represent a programme systematically

6. An integrated circuit isa) a complicated circuitb) much costlier than a single transistorc) an integrated deviced) fabricated on a tiny silicon chip

7. Analog computers area) slower than digital computersb) less accurate than digital computersc) costlier than digital computersd) powerful than digital computers

8. The decrease between a computer and calculator isa) the former is programmable and later is non programmableb) the former can process data and the later cannotc) the former includes control unit and the later does notd) the former can be note book type but the later cannot be of non portable type

9. ENIAC stands ofa) Electronic numerical integrator and computerb) Electronical numerical integrator and calculatorc) Electronic numerical integrator and calculatord) Electronic numeric integrator and computers

10. ENIAC isa) a first generation computerb) a second generation computerc) a third generation computerd) a fourth generation computer

11. The main component used in 2nd generation computer wasa) vaccume tubesb) transistorsc) Icsd) Mocroprocesor

12. A microprocessor is a/ana) integrated circuit fabricated on silicon chipb) the processing unit of the computerc) the brain of the computerd) all of the above

13. The latest of the following:a) laptopb) super computerc) desk topd) mainframe

14. The most powerful of the following:a) Minicomputerb) Microcomputerc) Mainframed) Supercomputer

15. Main difference between PC/ATI and PC/XT are:a) PC/AT has much more memory than PC/XTb) PC/AT has much more speed than PC/XTc) PC/AT has multi terminal facility and PC/XT has only single terminal facilityd) PC/XT has multi terminal facility and PC/AT has single terminal facility

16. Binary equivalent of 0.625a) 0.010102

b) (0.101)2

c) 0.11002

d) 0.010112

17. If the inputs of a gate are A and B and its output is A+B the gate is:a) OR gateb) AND gatec) X-OR gated) X-NOR gate

18. The given truth table is forA B C1 1 10 0 10 1 01 0 0

a) XOR gateb) NOR gatec) NAND gated) OR gate

19. 2 complement of the binary digit isa) 01b) 1c) 10d) 0

20. “XOR” gate is:a) a parallel switching circuit with exclude conditionb) series switching circuit with exclude conditionc) parallel switching circuitd) series switching circuit

21. Find the odd man outa) ALU, memory, countersb) CU, floppy disket, registersc) Control unit, MPU,d) ALU, auxiliary memory

22. The CPU of the 4th generation computer isa) An IC chip using VLSI technologyb) Microprocessorc) Both a & bd) None of the above

23. INTEL is a company involved in the manufacturing ofa) printersb) storage devicesc) IC chipd) None of the above

24. Bill gates is the chairman ofa) IBMb) Microsoftc) Inteld) Motorola

25. The company Microsoft is involved ina) making of computer hardwareb) making of computer softwarec) both a & bd) none of the above

26. The fastest of the following isa) 80286 processorb) 80386 processorc) 80436 processord) Pentium processor

27. The main memory of the computer isa) RAMb) ROMc) Hard diskd) CD

28. RAM isa) volatile semiconductor memoryb) read/write memoryc) random access memoryd) all of the above

29. ROM isa) read memoryb) write memoryc) both a & bd) none of the above

30. EPROM can be erased bya) sodium lightb) uv raysc) Electrical pulsesd) Either UV rays or electrical pulses

31. The fastest memory of the followinga) RAMb) ROMc) Cached) Hard disk

32. The main memory of a computer is located ina) the hard discb) compact diskc) floppy diskd) none

33. ROM isa) volatile semi conductor memoryb) non volatile semi conductor memoryc) magnetic memoryd) all of the above

34. The processing of the CPU is in the order ofa) millisecondb) microsecondc) nanosecondd) megasecond

35. DRGM isa) Semi conductor memoryb) Volatile memoryc) Has to be coefficiated with the data after a certain interval of timed) All of the above

36. 1KB is equal toa) 1000 bytesb) 2 bytesc) 1000 MBd) none of the above

37. A nibble is equal toa) 8 bitsb) 4 bitsc) 2 bitsd) 16bits

38. The fastest component of the computer isa) CPUb) Computer memoryc) Storage devicesd) Input/output devices

39. Locate the odd man outa) hard diskb) floppy diskc) magnetic taped) compatt disk

40. Compact disk is a a) semi conductor deviceb) magnetic devicec) optical deviced) none of the above

41. Locate the odd man outa) OBRb) OMRc) OCRd) MICR

42. Floppy diskett is a :a) EPROMb) RAMc) EEPROMd) Flexible storage media

43. The slowest of the following isa) hard diskb) floppy diskc) CDd) Magnetic tape

44. CPROM is released bya) –b) infrared lightc) electrical packaged) by appropriate programming only

45. Vol storages are those from where data are losta) when the programme is overb) with respect to timec) when the power is shutoffd) all the above except c

46. Locate the odd man outa) light penb) plotterc) moused) joystick

47. The “printed document” in computer terminology is termed asa) soft copyb) hard copyc) firm copyd) live copy

48. The display of MONITOR of a computer system is mostlya) semi conductor displayb) LED type displayc) LCD type displayd) Electron beam type

49. Choose the correct statement among the followinga) Line printer is non impact printerb) LASER printer is a non impact printerc) DOT matrix printer is non impact printerd) Character printer is faster than line printer

50. Printer is connected througha) parallel portb) serial portc) both a & bd) none of the above

51. The screen in the laptop computer isa) CPTb) LCDc) Semi conductor displayd) All of the above

52. Which of the following is fixed disk drivea) hard disk driveb) floppy disk drivec) winchaster disk drived) CD-ROM drive

53. Modem is ana) input deviceb) output devicec) input/output deviced) none of the above

54. Locate the odd man outa) Dot matrix printerb) Inkjet printerc) Chain printerd) Drum printer

55. Optical scanner is aa) input deviceb) output devicec) input/output deviced) none of the above

56. A software is aa) set of programmesb) set of instructionsc) all of the aboved) none of the above

57. Disk operating system isa) a system softwareb) software environmentc) software utility packaged) a high level language

58. Computer virus is aa) software programmeb) hardware programmec) machine languaged) assembly language

59. Assembly language isa) low level languageb) high level languagec) machine languaged) all generation language

60. Which of the following language used memoriesa) machine languageb) assembly languagec) high level languaged) all generation language

61. Which of the following is a scientific languagea) COBOLb) ADAc) FOPTRANd) BASIC

62. Which of the following is not a languagea) FOXPROTb) LISPc) Cd) VISUAL C++

63. Pick the odd man outa) DOSb) UNIXc) WIN-95d) DBASE

64. A package is a a) softwareb) set of instructionc) a programmed) all of the above

65. Windows 3.1 is a/ana) operating systemb) operating environmentc) packaged) language

66. Which of the following is not a high level languagea) basicb) Cc) Assembly d) Cobol

67. Which of the following is not a high level computer languagea) windowsb) visual c++c) corald) pascal

68. DOS stands fora) data operating systemb) disk operating systemc) diode operating systemd) none of the above

69. Unix is aa) a softwareb) a programmec) multiuser operating systemd) all of the above

70. Assembler isa) a softwareb) a translatorc) a programmed) all the above

72. High level language area) machine dependentb) machine independentc) language in which programme is done in 1 & 0d) b & c

73. Interpreter in computer field is aa) softwareb) floppyc) hardwared) the special electronic circuit which translate high level to low level

74. Internet system is based ona) WAN systemb) LAN systemc) Mainframe computer systemd) Many computers connected to a other computer

75. GUI stands fora) graphical user interfaceb) graphical user internetc) graph & user interfaced) graph & user internet

76. Y2K problem is aa) software problemb) hardware problemc) data problemd) all the above

77. Virus affectsa) hardwareb) softwarec) both a & bd) none of the above

78. Anti virus software isa) dreaded softwareb) software to scan & remove softwarec) packaged) none of the above