Asst. Loco Pilot and Technician Model Paper I

Asst. Loco Pilot and Technician Model Paper I

Model Paper - I 

General knowledge, Reasoning, Arithmetic 

1. A lunar eclipse occurs when? 

a. The moon comes between the sun and the earth. 

b. The earth comes between the Sun and the moon. 

c. The Sun comes between the earth and the moon. 

d. None. 

2. Who introduced famous 20 point input-output programme? 

a. Rajiv Gandhi b. Indira Gandhi 

c. P.V.Narasimha Rao d. None 

3. The Nanvakkal is famous in? 

a. Sericulture b. Piggory 

c. Poultry d. None 

4. How many bones are in the adult human skeleton? 

a. 205 b. 206 c. 207 d. 212 

5. The Agricultural University is it? 

a. Coimbatore b. Salem c. Sivaganga d. None 

6. In Tamil Nadu Bird Sanctuary is situated at? 

a. Mudumalai b. Vedanthangal 

c. Mundanthurai d. None 

7. The famous lion reserve is situated at? 

a. Gir sanctuary b. Hazaribagh Park 

c. Corbett Park d. None 

8. Who out of the following had abolished Zajiya on Hindus? 

a. Aurangzeb b. Jahangir c. Shah Jahan d. Akbar 

9. Sound cannot travel through? 

a. Vacuum b. Hydrogen gas c. Water d. Steel 

10. Which planet is the nearest to the Sun? 

a. Earth b. Venus c. Pluto d. Mercury 

11. Which of the following diseases is caused by virus? 

a. Pellagra b. Small-pox c. Filariasis d. None 

12. The density of water is higher at? 

a. 4° C b. 0°C c. -4°C d. -273°C 

13. Which one of the following regulates & co-ordinates the group 

movement of skeletal muscles? 

a. Cerebrum b. Cerebellum c. Spinal cord d. Medulla 

14. Chemical equations can be written on the basis of 

a. Law of constant proportion b. Law of multiple proportions 

c. Law of reciprocal proportion d. None 

15. Trimuthis festival is annually held at 

a. Tanjore b. Tirurayar 

c. Tiruavares d. Kumbakonam 

16. If the side of a square is increased by 25% then how much percent 

does its area get increased? 

a. 125 b. 156.25 c. 50 d. 56.25 

17. If the circumference of a circle is 44 meters, then its area in m2

a. 145 b. 154 c. 308 d. 462 

18. The height of a cylinder in 14cm and its curved surface area is 264 

sq.cm. The Volume of the cylinder is 

a. 308 cm2

 b. 396 cm3

 c. 1848 m3

 d. 1232 cm3

19. How many times are the hands of a clock at right angles in a day? 

a. 24 b. 48 c. 22 d. 44 

20. Which letter will be the sixth to the right of the eleventh letter from 

the right end of the English alphabet? 

a. K b. V c. J d. U 

21. What number is opposite “3”?  

a. 1 b. 2 below c. 5 d. 4 

22. COOK – BAT = 21, then CANE – HAD =? 

a. 9 b. 11 c. 10 d. 15 

1

4 2

5

6 4

6

2 4

6

3 2

23. Pointing out to a person a man said to a woman. ‘’His mother is the 

only daughter of your father’’. How as the woman related to the 

person? 

a. Aunt b. Brother c. Cousin d. Mother 

Direction (24-27): Read the following information and Answer the questions. 

 Five persons namely P, Q, X, Y and Z are sitting in a park. ‘P’ is the 

 mother of ‘X’ who is wife of ‘Z’. ‘Y’ is brother of ‘P’ and ‘Q’ is the 

 husband of ‘P’. 

24. How is P related to Z? 

a. Mother b. Aunt 

c. Mother-in-law d. None 

25. How is Y related to Q? 

a. Brother b. Brother-in-law 

c. Cousin d. Uncle 

26. How is X related to Q? 

a. Daughter b. Niece c. Aunt d. Mother 

27. How is Q related to Z? 

a. Brother-in-law b. Father 

c. Father-in-law d. None 

28. In 12 hours the hands of the clock will coincide and at 90° for how 

many times? 

a. 22 b. 11 c. 32 d. 33 

 

29. 15, 30, 60, 105, _____? 

a. 160 b. 175 c. 150 d. 165 

30. Find out wrong Number? 

16, 23, 26, 64, 100, 144 

a. 36 b. 16 c. 25 d. 144 

TECHNICAL APTITUDE 

31. Who invented the law of gravitational force? 

a. Einstein b. C.V. Raman c. Newton d. None 

32. Energy generated by turbine blade is? 

a. P.E. b. P.E. + K .E c. K.E d. None 

33. What is the purpose of tempering for hardened steel? 

a. To harden the steel b. To soften the steel 

c. To change the structure d. To strengthen the steel 

34. Leg vice is sued for _____ operations? 

a. Smithy b. Forging c. Casting d. Welding 

35. Rainbow has elliptical shape due to? 

a. Reflection b. Refraction c. Rare Fraction d. None 

36. When bullet is fired, which law is applied to riffle? 

a. Newton’s 111rd law b. Law of conservation 

c. 156 law of thermodynamics d. All of the above 

37. A motorist moving in a straight direction he contains ______ energy? 

a. Potential only b. Kinetic + Potential Energy 

c. Kinetic energy only d. None 

38. Sound travel is faster in? 

a. Air b. Vacuum c. Cast Steel d. Aluminum 

39. Pilot tube is used to measure? 

a. Velocity of a gas b. Pressure of fluid 

c. Quantify of flow d. Velocity of fluid in open Channels 

40. Air conditioning means? 

a. To control the condition of air 

b. To control the movement of air 

c. To maintain pleasingness 

d. All of the above 

41. In motor vehicles which type of mirror used? 

a. Concave b. Convex 

c. Both a and b d. Plane 

42. Why coolant is used in lathes? 

a. To increase the cutting action b. To decrease heat loss 

c. To remove chips d. All of the above 

43. In simple indexing the crank movement is given by? 

a. 24/N b. 24/N+N/40 

c. 40/N d. 40/N = n1/N1 ± n2/N2 

44. Usually shafts are made with? 

a. Cast iron b. H.S.S. 

c. M. S d. All of the above 

45. Angle plates are used in conjunction with a ____ when holding 

surface of the work piece should be kept horizontal? 

a. Chuck b. Face plate 

c. Mandrel d. Rests 

46. Number of taps used for making a complete thread in the hole is? 

a. Single tap only b. Two taps 

c. Three taps d. None 

47. Cutting edges of the reamers are called? 

a. Lands b. Flutes 

c. Heal d. All of the above 

48. Slip gauges are sometimes used for accurate setting of the? 

a. Tail stock b. Carriage 

c. Tool part d. All of the above 

49. Thermal stress in a bar is directly proportional to? 

a. Its cross sectional area b. It’s Volume 

c. Change in temperature d. None 

50. Which type of radiation is liberating form the sun? 

a. Fission b. Fusion 

c. Both A and B d. None 

51. Bar is measurement for? 

a. Velocity b. Temperature 

c. Pressure d. All of the above 

52. Mechanical efficiency means? 

a. Input/ Output b. n stage/ n blade 

c. Work done/Output d. Output/Input 

53. By combustion of fuel in cylinder chemical energy converted into? 

a. Mechanical energy b. Thermal Energy 

c. Potential energy d. Kinetic energy 

54. Which type of refrigent is used in refrigerator? 

a. Ammonia b. Water c. Freon d. None 

55. 20kgf.m. = __________ joules? 

a. 4 b. 2 c. 3 d. None 

56. Ladies voice is large than men’s, why? 

a. Low pitch b. Low amplitude 

c. High pitch d. High amplitude 

57. For medium heads which type of turbine is suitable? 

a. Kaplan turbine b. Impulse turbine 

d. Francis turbine d. None 

58. Jockey pulley is used to? 

a. Increase the angle of contract b. Decrease the angle of contact 

 c. a and b d. None 

59. What is the unit of strain? 

a. N/mm2

 b. N/m2

 c. No unites d. None 

60. When two forces have equal magnitudes and angle between is 90° 

then what is the resultant? 

a. P2

 b. 2√p c. √2 P d. None 

61. The melting point of the filler material in brazing should be above? 

a. 420° b. 600° c. 800°C d. 1000°C 

62. Inconel is an alloy of? 

a. Nickel-Chromium iron b. Copper zinc-iron 

c. Copper tin – iron d. None 

63. Primary is needed in? 

a. Reciprocating pump b. Gear pump 

c. Centrifugal pump d. Diaphragm pump 

64. Weld spatter defect in welding is generally the result of? 

a. Using tool high welding current 

b. Using tool low welding current 

c. Both a and b d. None 

65. A tool used for removing broke n bolts and studs from a hole is 

known as? 

a. Screw driver b. Punch c. Exy-put d. Emry rod 

66. Which of the following used as the wire for heating an element? 

a. Invar b. Niche chrome c. Silver d. None 

67. Example for semisolid lubricant is? 

a. Graphite powder b. Greases c. Mineral oil d. All 

68. For the same compression ratio the thermal efficiency of Otto, diesel 

and dual combustion cycle will be in the order? 

a. Otto, Dual, Diesel b. Otto, Diesel, Dual 

c. A and b d. None 

69. Cable should be connected with appliances so that? 

a. It has complete contract with other metallic part. 

b. It has partial contact with other metallic part. 

c. It doesn’t have any contact with other metallic part. 

d. It has contact with more than one metallic part. 

70. The solder used for soldering battery cable is made of? 

a. Tin and lead b. Copper and tin 

c. Lead ad aluminum d. Copper and Zinc 

71. While soldering wire on a terminal solder should solidify rapidly? 

a. To avoid cracking of terminals. 

b. To avoid melting of terminals. 

c. To avoid displacement of components being soldered. 

d. To avoid over heating of other components. 

72. Correct sequence of current flow in simple electric circuit is? 

a. Load, switch, battery b. Battery, switch load 

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c. Load, battery, switch d. Switch, load, battery 

73. In an open circuit the resistance is? 

a. Very high b. Very low 

c. Infinite d. No resistance 

74. In a closed electrical circuit the current is? 

a. Inversely proportional to voltage. 

b. Directly proportional to resistance. 

c. Inversely proportional to voltage and directly. 

d. Directly proportional to voltage and inversely proportional to 

resistance. 

75. A cell is device consisting of? 

a. One electrode b. Tow electrodes 

c. Three electrodes d . Four electrodes 

76. Vent holes are provided in wet cells? 

a. To pour electrode. 

b. To allow gases to escape during charging only. 

c. To allow gases to escapees during charging and discharging. 

d. To allow gases to escapes during discharging only. 

77. Identify the secondary cell from the following? 

a. Silver-oxide cell b. Carbon-zinc cell 

c. Lead acid cell d. Lithium cell 

78. Lead acid battery is? 

a. An electro-mechanical device b. An electrochemical device 

 c. An electrical device d. A chemical device 

79. While discharging the battery converts? 

a. Mechanical energy into electrical energy. 

b. Electrical energy into chemical energy. 

c. Chemical energy into mechanical energy. 

d. Chemical energy into electrical energy. 

80. The level of the electrolyte in each cell above plates should be? 

a. 1/8” to 1/4” b.1/4” to 3/8” 

c. 3/8’’ to 9/16” d. 7/8” to 1” 

81. The electrolyte used in lead acid batter is? 

a. Nitric acid b. Citric acid 

c. Sulfuric acid d. Hydrochloric acid 

82. The number of turns in primary winding are? 

a. 100-200 turns b. 200 – 300 turns 

c. 200-400 turns d. 400-500 turns 

83. The distributor rotates simultaneously along with the? 

a. Water pump b. Oil pump 

c. Fuel pump d. Vacuum pump 

84. The spark plug is fitted on? 

a. Cylinder b. Cylinder Head 

c. Crank case d. Rocker cover 

85. Distributer shaft is supported by? 

a. Ball bearing b. Shell bearing 

c. Brush bearing d. Needle bearing 

86. Distributor cap is made of? 

a. Bakelite b. Fiber c. Plastic d. P.V.C. 

87. The centrifugal advance mechanism advances the timing when fly 

weights? 

a. Fly outward b. Contract inward 

c. Remain constant d. Move upward 

88. The dynamo used in automobiles is of? 

a. Single pole b. Two pole c. Three pole d. Five pole 

89. Dynamo brushes are made of? 

a. Copper b. Brass c. Carbon d. Aluminium 

90. In charging system the regulator acts as? 

a. An automatic control b. An electronic control 

c. Manual control d. A semi automatic control 

91. When the dynamo voltage is more than the battery voltage, the 

voltage flows to the_________? 

a. Field winding b. Shunt winding 

c. Series winding d. Armature winding 

92. The oil pumps are generally driven by? 

a. Camshaft b. Rocker shaft 

c. Crank shaft d. Damper pulley 

 

94. The output of rectifier constrains? 

a. AC b. DC c. Both a & b d. None 

95. Transistor is a? 

a. Current controlled device b. Voltage controlled device 

c. Power controlled device d. All of the above 

96. Which of the following circuit can operate class for audio output? 

a. Emitter b. Push pull c. Cascade d. None 

97. Which of the following Semi-conductor is widely used? 

a. Germanium b. Silicon c. Gallium d. None 

98. In which oscillator series combinations of capacitors are obtained? 

a. Cali Pitts b. Hardly 

c. Crystal d. Weighing bridge 

99. The most widely used method of biasing is? 

a. Fixed bias b. Basic to collector bias 

c. Self bias d. None 

100. Memory is measured in? 

a. Bytes b. Gytes c. Mytes d. None 

a.

A C b. A C

c.

A C d. A C

KEY 

1) b 21) d 41) b 61) a 81) c 

2) b 22) c 42) a 62) a 82) b 

3) c 23) d 43) c 63) c 83) b 

4) b 24) c 44) c 64) a 84) b 

5) a 25) b 45) b 65) d 85) c 

6) b 26) a 46) a 66) b 86) a 

7) a 27) c 47) b 67) b 87) a 

8) d 28) a 48) a 68) a 88) b 

9) a 29) d 49) c 69) c 89) c 

10) d 30) c 50) b 70) a 90) a 

11) b 31) c 51) c 71) c 91) b 

12) a 32) c 52) d 72) b 92) a 

13) b 33) b 53) b 73) c 93) c 

14) a 34) a 54) c 74) d 94) b 

15) b 35) a 55) b 75) b 95) a 

16) b 36) a 56) c 76) c 96) b 

17) b 37) c 57) c 77) c 97) b 

18) b 38) c 58) a 78) b 98) a 

19) d 39) d 59) c 79) d 99) c 

20) b 40) d 60) c 80) b 100) a