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Electric Traction

Electric Traction
Which of the following state capitals is not on broad gauge track ?

Jaipur
Chandigarh
Lucknow
Bhopal

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Electric Traction
Coefficient of adhesion reduces due to the presence of which of the following?

Oil on the rails
Both Dew on rails and Oil on the rails
Dew on rails
Sand on rails

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Electric Traction
In main line service as compared to urban and suburban service

Distance between the stops is more
Maximum speed reached is high
Acceleration and retardation rates are low
All of the listed here

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Electric Traction
The friction at the track is proportional to

Speed
1/speed
1/(speed)²
None of the listed here

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Electric Traction
The value of coefficient of adhesion will be high when rails are

Cleaned with sand
Greased
Sprayed with oil
Wet

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Electric Traction
Which of the following drives is suitable for mines where explosive gas exists?

Steam engine
Battery locomotive
All of the listed here
Diesel engine

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