rrb assistant loco pilot and technician exam (test -1)
TRANSCRIPT
(Mock Test) RRB Assistant Loco Pilot and Technician Exam(Test -1)
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 Gandhib. Indira Gandhic. P.V.Narasimha Raod. None
3. The Nanvakkal is famous in?
a. Sericultureb. Piggoryc. Poultryd. None
4. How many bones are in the adult human skeleton?
a. 205b. 206c. 207d. 212
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5. The Agricultural University is it?
a. Coimbatoreb. Salemc. Sivagangad. None
6. In Tamil Nadu Bird Sanctuary is situated at?
a. Mudumalaib. Vedanthangalc. Mundanthuraid. None
7. The famous lion reserve is situated at?
a. Gir sanctuaryb. Hazaribagh Parkc. Corbett Parkd. None
8. Who out of the following had abolished Zajiya on Hindus?
a. Aurangzebb. Jahangirc. Shah Jahand. Akbar
9. Sound cannot travel through?
a. Vacuumb. Hydrogen gasc. Waterd. Steel
10. Which planet is the nearest to the Sun?
a. Earthb. Venusc. Plutod. Mercury
11. Which of the following diseases is caused by virus?
a. Pellagrab. Small-poxc. Filariasisd. None
12. The density of water is higher at?
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a. 4° Cb. 0°Cc. -4°Cd. -273°C
13. Which one of the following regulates & co-ordinates the group movement of skeletal muscles?
a. Cerebrumb. Cerebellumc. Spinal cordd. Medulla
14. Chemical equations can be written on the basis of
a. Law of constant proportionb. Law of multiple proportionsc. Law of reciprocal proportiond. None
15. Trimuthis festival is annually held at
a. Tanjoreb. Tirurayarc. Tiruavaresd. Kumbakonam
16. If the side of a square is increased by 25% then how much percent does its area get increased?
a. 125b. 156.25c. 50d. 56.25
17. If the circumference of a circle is 44 meters, then its area in m2
a. 145b. 154c. 308d. 462
18. The height of a cylinder in 14cm and its curved surface area is 264 sq.cm. The Volume of thecylinder is
a. 308 cm2
b. 396 cm3
c. 1848 m3
d. 1232 cm3
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19. How many times are the hands of a clock at right angles in a day?
a. 24b. 48c. 22d. 44
20. Which letter will be the sixth to the right of the eleventh letter from the right end of theEnglish alphabet?
a. Kb. Vc. Jd. U
21. What number is opposite “3”?
22. COOK – BAT = 21, then CANE – HAD =?
a. 9b. 11c. 10d. 15
23. Pointing out to a person a man said to a woman. ‘’His mother is the only daughter of yourfather’’. How as the woman related to the person?
a. Auntb. Brotherc. Cousind. 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 thehusband of ‘P’.
24.How is P related to Z?
a. Mother
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b. Auntc. Mother-in-lawd. None
25. How is Y related to Q?
a. Brotherb. Brother-in-lawc. Cousind. Uncle
26. How is X related to Q?
a. Daughterb. Niecec. Auntd. Mother
27. How is Q related to Z?
a. Brother-in-lawb. Fatherc. Father-in-lawd. None
28. In 12 hours the hands of the clock will coincide and at 90° for how many times?
a. 22b. 11c. 32d. 33
29. 15, 30, 60, 105, _______ ?
a. 160b. 175c. 150d. 165
30. Find out wrong Number?
16, 23, 26, 64, 100, 144
a. 36b. 16c. 25d. 144
TECHNICAL APTITUDE
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31. Who invented the law of gravitational force?
a. Einsteinb. C.V. Ramanc. Newtond. None
32. Energy generated by turbine blade is?
a. P.E.b. P.E. + K .Ec. K.Ed. None
33. What is the purpose of tempering for hardened steel?
a. To harden the steelb. To soften the steelc. To change the structured. To strengthen the steel
34. Leg vice is sued for _______ operations?
a. Smithyb. Forgingc. Castingd. Welding
35. Rainbow has elliptical shape due to?
a. Reflectionb. Refractionc. Rare Fractiond. None
36. When bullet is fired, which law is applied to riffle?
a. Newton’s 111rd lawb. Law of conservationc. 156 law of thermodynamicsd. All of the above
37. A motorist moving in a straight direction he contains _______ energy?
a. Potential onlyb. Kinetic + Potential Energyc. Kinetic energy onlyd. None
38. Sound travel is faster in?
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a. Airb. Vacuumc. Cast Steeld. Aluminum
39. Pilot tube is used to measure?
a. Velocity of a gasb. Pressure of fluidc. Quantify of flowd. Velocity of fluid in open Channels
40. Air conditioning means?
a. To control the condition of airb. To control the movement of airc. To maintain pleasingnessd. All of the above
41. In motor vehicles which type of mirror used?
a. Concaveb. Convexc. Both a and bd. Plane
42. Why coolant is used in lathes?
a. To increase the cutting actionb. To decrease heat lossc. To remove chipsd. All of the above
43. In simple indexing the crank movement is given by?
a. 24/Nb. 24/N+N/40c. 40/Nd. 40/N = n1/N1 ± n2/N2
44. Usually shafts are made with?
a. Cast ironb. H.S.S.c. M. Sd. All of the above
45. Angle plates are used in conjunction with a ___ when holding surface of the work piece shouldbe kept horizontal?
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a. Chuckb. Face platec. Mandreld. Rests
46. Number of taps used for making a complete thread in the hole is?
a. Single tap onlyb. Two tapsc. Three tapsd. None
47. Cutting edges of the reamers are called?
a. Landsb. Flutesc. Heald. All of the above
48. Slip gauges are sometimes used for accurate setting of the?
a. Tail stockb. Carriagec. Tool partd. All of the above
49. Thermal stress in a bar is directly proportional to?
a. Its cross sectional areab. It’s Volumec. Change in temperatured. None
50. Which type of radiation is liberating form the sun?
a. Fissionb. Fusionc. Both A and Bd. None
51. Bar is measurement for?
a. Velocityb. Temperaturec. Pressured. All of the above
52. Mechanical efficiency means?
a. Input/ Output
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b. n stage/ n bladec. Work done/Outputd. Output/Input
53. By combustion of fuel in cylinder chemical energy converted into?
a. Mechanical energyb. Thermal Energyc. Potential energyd. Kinetic energy
54. Which type of refrigent is used in refrigerator?
a. Ammoniab. Waterc. Freond. None
55. 20kgf.m. = _____ joules?
a. 4b. 2c. 3d. None
56. Ladies voice is large than men’s, why?
a. Low pitchb. Low amplitudec. High pitchd. High amplitude
57. For medium heads which type of turbine is suitable?
a. Kaplan turbineb. Impulse turbined. Francis turbined. None
58. Jockey pulley is used to?
a. Increase the angle of contractb. Decrease the angle of contactc. a and bd. None
59. What is the unit of strain?
a. N/mm2
b. N/m2
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c. No unitesd. None
60. When two forces have equal magnitudes and angle between is 90° then what is the resultant?
a. P2
b. 2√pc. √2 Pd. None
61. The melting point of the filler material in brazing should be above?
a. 420°b. 600°c. 800°Cd. 1000°C
62. Inconel is an alloy of?
a. Nickel-Chromium ironb. Copper zinc-ironc. Copper tin – irond. None
63. Primary is needed in?
a. Reciprocating pumpb. Gear pumpc. Centrifugal pumpd. Diaphragm pump
64. Weld spatter defect in welding is generally the result of?
a. Using tool high welding currentb. Using tool low welding currentc. Both a and bd. None
65. A tool used for removing broke n bolts and studs from a hole is known as?
a. Screw driverb. Punchc. Exy-putd. Emry rod
66. Which of the following used as the wire for heating an element?
a. Invarb. Niche chromec. Silver
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d. None
67. Example for semisolid lubricant is?
a. Graphite powderb. Greasesc. Mineral oild. All
68. For the same compression ratio the thermal efficiency of Otto, diesel and dual combustioncycle will be in the order?
a. Otto, Dual, Dieselb. Otto, Diesel, Dualc. A and bd. 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 leadb. Copper and tinc. Lead ad aluminumd. 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, batteryb. Battery, switch loadc. Load, battery, switchd. Switch, load, battery
73. In an open circuit the resistance is?
a. Very highb. Very lowc. Infinite
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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 electrodeb. Tow electrodesc. Three electrodesd . 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 cellb. Carbon-zinc cellc. Lead acid celld. Lithium cell
78. Lead acid battery is?
a. An electro-mechanical deviceb. An electrochemical devicec. An electrical deviced. 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”
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81. The electrolyte used in lead acid batter is?
a. Nitric acidb. Citric acidc. Sulfuric acidd. Hydrochloric acid
82. The number of turns in primary winding are?
a. 100-200 turnsb. 200 – 300 turnsc. 200-400 turnsd. 400-500 turns
83. The distributor rotates simultaneously along with the?
a. Water pumpb. Oil pumpc. Fuel pumpd. Vacuum pump
84. The spark plug is fitted on?
a. Cylinderb. Cylinder Headc. Crank cased. Rocker cover
85. Distributer shaft is supported by?
a. Ball bearingb. Shell bearingc. Brush bearingd. Needle bearing
86. Distributor cap is made of?
a. Bakeliteb. Fiberc. Plasticd. P.V.C.
87. The centrifugal advance mechanism advances the timing when fly weights?
a. Fly outwardb. Contract inwardc. Remain constantd. Move upward
88. The dynamo used in automobiles is of?
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a. Single poleb. Two polec. Three poled. Five pole
89. Dynamo brushes are made of?
a. Copperb. Brassc. Carbond. Aluminium
90. In charging system the regulator acts as?
a. An automatic controlb. An electronic controlc. Manual controld. A semi automatic control
91. When the dynamo voltage is more than the battery voltage, the voltage flows to the ?
a. Field windingb. Shunt windingc. Series windingd. Armature winding
92. The oil pumps are generally driven by?
a. Camshaftb. Rocker shaftc. Crank shaftd. Damper pulley
93. The symbol of P-N diode?
a. A Cb. A Cc. A Cd. A C
94. The output of rectifier constrains?
a. ACb. DCc. Both a & b
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d. None
95. Transistor is a?
a. Current controlled deviceb. Voltage controlled devicec. Power controlled deviced. All of the above
96. Which of the following circuit can operate class for audio output?
a. Emitterb. Push pullc. Cascaded. None
97. Which of the following Semi-conductor is widely used?
a. Germaniumb. Siliconc. Galliumd. None
98. In which oscillator series combinations of capacitors are obtained?
a. Cali Pittsb. Hardlyc. Crystald. Weighing bridge
99. The most widely used method of biasing is?
a. Fixed biasb. Basic to collector biasc. Self biasd. None
100. Memory is measured in?
a. Bytesb. Gytesc. Mytesd. None
Answers
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