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Electric Traction
Which of the following drives is suitable for mines where explosive gas exists?
Diesel engine
Battery locomotive
Steam engine
All of the listed here
Diesel engine
Battery locomotive
Steam engine
All of the listed here
Answer
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Related Question
Electric Traction
The rate of acceleration on suburban or urban service is in the range
0.2 to 0.5 km phps
5 to 10 km phps
1.6 to 4.0 km phps
15 to 25 km phps
0.2 to 0.5 km phps
5 to 10 km phps
1.6 to 4.0 km phps
15 to 25 km phps
Answer
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Electric Traction
The steam engine provided on steam locomotives is
Double acting condensing type
Double acting non-condensing type
Single acting non-condensing type
Single acting condensing type
Double acting condensing type
Double acting non-condensing type
Single acting non-condensing type
Single acting condensing type
Answer
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Electric Traction
Speed-time curve of main line service differs from those of urban and suburban services on following account
It has longer coasting period
Accelerating and braking periods are comparatively smaller
It has longer free running period
All of the listed here
It has longer coasting period
Accelerating and braking periods are comparatively smaller
It has longer free running period
All of the listed here
Answer
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Electric Traction
The friction at the track is proportional to
Speed
1/(speed)²
1/speed
None of the listed here
Speed
1/(speed)²
1/speed
None of the listed here
Answer
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Electric Traction
The overall efficiency of steam locomotive is around
5 to 10 percent
15 to 20 percent
35 to 45 percent
25 to 35 percent
5 to 10 percent
15 to 20 percent
35 to 45 percent
25 to 35 percent
Answer
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