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Electric Traction

Electric Traction
_________ locomotive has the highest operational availability.

Steam
Electric
Diesel
All of the listed here

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

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

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Electric Traction
The speed of a superfast train is

More than 100 kmph
75 kmph
100 kmph
60 kmph

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Electric Traction
_________ frequency is not common in low frequency traction system

25 Hz
16 Hz
40 Hz
None of the listed here

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Electric Traction
An ideal traction system should have

High starting tractive effort
Easy speed control
All of the listed here
Equipment capable of withstanding large temporary loads

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Electric Traction
The wheels of a train, engine as well as bogies, are slightly tapered to

Facilitate in taking turns
Facilitate braking
Reduce friction
Increase friction

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