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This section includes 170 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
51. |
________ have maximum unbalanced forces |
A. | Diesel saunters |
B. | Steam locomotives |
C. | Electric locomotives |
D. | Diesel locomotives |
Answer» C. Electric locomotives | |
52. |
The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to |
A. | 5 |
B. | 10 |
C. | 14 |
D. | 17 |
Answer» C. 14 | |
53. |
The steam engine provided on steam locomotives is |
A. | Single acting condensing type |
B. | Single acting non-condensing type |
C. | Double acting condensing type |
D. | Double acting non-condensing type |
Answer» C. Double acting condensing type | |
54. |
The rate of acceleration on sub-urban or urban services is restricted by the consideration of |
A. | Engine power |
B. | Track curves |
C. | Passenger Discomfort |
D. | Track size |
Answer» D. Track size | |
55. |
_______ was the first city in India to adopt electric traction. |
A. | Delhi |
B. | Madras (Chennai) |
C. | Calcutta (kolkata) |
D. | Bombay (Mumbai) |
Answer» E. | |
56. |
Which of the following is the disadvantage of electric traction over other systems of traction? |
A. | Corrosion problems in the underground pipe work |
B. | Short time power failure interrupts traffic for hours |
C. | High capital outlay in fixed installations beside route limitation |
D. | Interference with communication lines |
Answer» D. Interference with communication lines | |
57. |
Locomotives with monometer bogies have |
A. | Uneven distribution of tractive effect |
B. | Suitability for passenger as well as freight service |
C. | Lot of skidding |
D. | Low coefficient of adhesion |
Answer» C. Lot of skidding | |
58. |
Speed-time curve of main line service differs from those of urban and suburban services on following account |
A. | It has longer free running period |
B. | It has longer coasting period |
C. | Accelerating and braking periods are comparatively smaller |
D. | All of the above |
Answer» E. | |
59. |
Which of the following is the advantage of electric braking? |
A. | It avoids wear of track |
B. | Motor continues to remain loaded during braking |
C. | It is instantaneous |
D. | More heat is generated during braking |
Answer» B. Motor continues to remain loaded during braking | |
60. |
Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction? |
A. | Reduced current method |
B. | Tap changing control of transformer |
C. | Series parallel operation of motors |
D. | All of the above |
Answer» C. Series parallel operation of motors | |
61. |
For diesel locomotives the range of horsepower is |
A. | 50 to 200 |
B. | 500 to 1000 |
C. | 1500 to 2500 |
D. | 3000 to 5000 |
Answer» D. 3000 to 5000 | |
62. |
Locomotive having mono-motor bogies |
A. | Has better coefficient of adhesion |
B. | Are suited both for passenger as well as freight service |
C. | Has better riding qualities due to the reduction of lateral forces |
D. | Has all above qualities |
Answer» E. | |
63. |
The air resistance to the movement of the train is proportional to |
A. | speed |
B. | (speed)2 |
C. | (speed)3 |
D. | 1/speed |
Answer» C. (speed)3 | |
64. |
Which of the following state capitals (in India) is not on broad gauge track? |
A. | Lucknow |
B. | Bhopal |
C. | Jaipur |
D. | Chandigarh |
Answer» D. Chandigarh | |
65. |
Methods can bring the locomotive to dead stop. |
A. | Plugging braking |
B. | Rheostat braking |
C. | Regenerative braking |
D. | None of the above |
Answer» B. Rheostat braking | |
66. |
Which of the following state capitals is not on broad gauge track ? |
A. | Lucknow |
B. | Bhopal |
C. | Jaipur |
D. | Chandigarh |
Answer» D. Chandigarh | |
67. |
Electric locomotives in India are manufactured at |
A. | Jamalpur |
B. | Bangalore |
C. | Chittaranjan |
D. | Gorakhpur |
Answer» D. Gorakhpur | |
68. |
Which of the following drives is suitable for mines where explosive gas exists?%! |
A. | Steam engine |
B. | Diesel engine |
C. | Battery locomotive |
D. | Any of the above |
Answer» D. Any of the above | |
69. |
In tram ways which of the following motors is used?%! |
A. | D.C. shunt motor |
B. | D.C. series motor |
C. | A.C. three phase motor |
D. | AC. single phase capacitor start motor |
Answer» C. A.C. three phase motor | |
70. |
The rate of acceleration on suburban or urban service is in the range%! |
A. | 0.2 to 0.5 km phps |
B. | 1.6 to 4.0 km phps |
C. | 5 to 10 km phps |
D. | 15 to 25 km phps |
Answer» C. 5 to 10 km phps | |
71. |
If the coefficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails?%! |
A. | 0.3 |
B. | 0.26 |
C. | 0.225 |
D. | 0.16 |
Answer» E. | |
72. |
Locomotives with monometer bogies have%! |
A. | Uneven distribution of tractive effect |
B. | Suitability for passenger as well as freight service |
C. | Lot of skidding |
D. | Low coefficient of adhesion |
Answer» C. Lot of skidding | |
73. |
The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to%! |
A. | 5 |
B. | 10 |
C. | 14 |
D. | 17 |
Answer» C. 14 | |
74. |
The rate of acceleration on sub-urban or urban services is restricted by the consideration of%! |
A. | Engine power |
B. | Track curves |
C. | Passenger Discomfort |
D. | Track size |
Answer» D. Track size | |
75. |
The air resistance to the movement of the train is proportional to%! |
A. | speed |
B. | (speed) |
C. | (speed)2 |
D. | 1/speed |
Answer» C. (speed)2 | |
76. |
Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction?%! |
A. | Reduced current method |
B. | Tap changing control of transformer |
C. | Series parallel operation of motors |
D. | All of the above |
Answer» C. Series parallel operation of motors | |
77. |
The normal value of adhesion friction is%! |
A. | 0.12 |
B. | 0.25 |
C. | 0.40 |
D. | 0.75 |
Answer» C. 0.40 | |
78. |
In a steam locomotive electric power is provided through%! |
A. | Overhead wire |
B. | Battery system |
C. | Small turbo-generator |
D. | Diesel engine generator |
Answer» D. Diesel engine generator | |
79. |
Energy consumption in propelling the train is required for which of the following?%! |
A. | Work against the resistance to motion |
B. | Work against gravity while moving up the gradient |
C. | Acceleration |
D. | All of the above |
Answer» E. | |
80. |
Coefficient of adhesion is%! |
A. | High in case of D.C. traction than in the case of AC. traction |
B. | Low in case of D.C. traction than in the case of AC. traction |
C. | Equal in both AC. and D.C. traction |
D. | Any of the above |
Answer» C. Equal in both AC. and D.C. traction | |
81. |
Specific energy consumption is affected by which of the following factors?%! |
A. | Retardation and acceleration values |
B. | Gradient |
C. | Distance between stops |
D. | All of the above |
Answer» E. | |
82. |
The coasting retardation is around%! |
A. | 0.16 km phps |
B. | 1.6 km phps |
C. | 16 km phps |
D. | 40 km phps |
Answer» B. 1.6 km phps | |
83. |
The resistance encountered by a train in motion is on account of%! |
A. | Resistance offered by air |
B. | Friction at the track |
C. | Friction at various parts of the rolling stock |
D. | All of the above |
Answer» E. | |
84. |
*/*_The air resistance to the movement of the train is proportional to? |
A. | speed |
B. | (speed) |
C. | (speed)2 |
D. | 1/speed |
Answer» C. (speed)2 | |
85. |
*/*_The rate of acceleration on sub-urban or urban services is restricted by the consideration of? |
A. | Engine power |
B. | Track curves |
C. | Passenger Discomfort |
D. | Track size |
Answer» D. Track size | |
86. |
*/*_The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to? |
A. | 5 |
B. | 10 |
C. | 14 |
D. | 17 |
Answer» C. 14 | |
87. |
*/*_Locomotives with monometer bogies have? |
A. | Uneven distribution of tractive effect |
B. | Suitability for passenger as well as freight service |
C. | Lot of skidding |
D. | Low coefficient of adhesion |
Answer» C. Lot of skidding | |
88. |
*/*_Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction?? |
A. | Reduced current method |
B. | Tap changing control of transformer |
C. | Series parallel operation of motors |
D. | All of the above |
Answer» C. Series parallel operation of motors | |
89. |
*/*_Coefficient of adhesion is? |
A. | High in case of D.C. traction than in the case of AC. traction |
B. | Low in case of D.C. traction than in the case of AC. traction |
C. | Equal in both AC. and D.C. traction |
D. | Any of the above |
Answer» C. Equal in both AC. and D.C. traction | |
90. |
*/*_Energy consumption in propelling the train is required for which of the following?? |
A. | Work against the resistance to motion |
B. | Work against gravity while moving up the gradient |
C. | Acceleration |
D. | All of the above |
Answer» E. | |
91. |
*/*_The normal value of adhesion friction is? |
A. | 0.12 |
B. | 0.25 |
C. | 0.40 |
D. | 0.75 |
Answer» C. 0.40 | |
92. |
*/*_In a steam locomotive electric power is provided through? |
A. | Overhead wire |
B. | Battery system |
C. | Small turbo-generator |
D. | Diesel engine generator |
Answer» D. Diesel engine generator | |
93. |
*/*_The overall efficiency of steam locomotive is around? |
A. | 5 to 10 percent |
B. | 15 to 20 percent |
C. | 25 to 35 percent |
D. | 35 to 45 percent |
Answer» B. 15 to 20 percent | |
94. |
*/*_The resistance encountered by a train in motion is on account of? |
A. | Resistance offered by air |
B. | Friction at the track |
C. | Friction at various parts of the rolling stock |
D. | All of the above |
Answer» E. | |
95. |
*/*_The coasting retardation is around? |
A. | 0.16 km phps |
B. | 1.6 km phps |
C. | 16 km phps |
D. | 40 km phps |
Answer» B. 1.6 km phps | |
96. |
*/*_Specific energy consumption is affected by which of the following factors?? |
A. | Retardation and acceleration values |
B. | Gradient |
C. | Distance between stops |
D. | All of the above |
Answer» E. | |
97. |
*/*_The braking retardation is usually in the range? |
A. | 0.15 to 0.30 km phps |
B. | 0.30 to 0.6 km phps |
C. | 0.6 to 2.4 km phps |
D. | 3 to 5 km phps |
Answer» E. | |
98. |
*/*_Which of the following state capitals is not on broad gauge track ?? |
A. | Lucknow |
B. | Bhopal |
C. | Jaipur |
D. | Chandigarh |
Answer» D. Chandigarh | |
99. |
*/*_Speed-time curve of main line service differs from those of urban and suburban services on following account? |
A. | It has longer free running period |
B. | It has longer coasting period |
C. | Accelerating and braking periods are comparatively smaller |
D. | All of the above |
Answer» E. | |
100. |
*/*_The horsepower of steam locomotives is? |
A. | Up to 1500 |
B. | 1500 to 2000 |
C. | 2000 to 3000 |
D. | 3000 to 4000 |
Answer» B. 1500 to 2000 | |