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Electric Traction

Electric Traction
The braking retardation is usually in the range

5 to 8 km phps
3 to 5 km phps
0.15 to 0.30 km phps
15 to 30 km phps

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Electric Traction
The normal value of adhesion friction is

0.25
0.30
0.50
0.35

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

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

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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
Sand on rails
Dew on rails

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Electric Traction
Main traction systems used in India are, those using

Diesel engine locomotives
All of the listed here
Steam engine locomotives
Electric locomotives

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Electric Traction
The resistance encountered by a train in motion is on account of

All of the listed here
Friction at various parts of the rolling stock
Resistance offered by air
Friction at the track

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MORE MCQ ON Electric Traction

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