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Electric Traction

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

25 Hz
40 Hz
16 Hz
None of the listed here

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Electric Traction
Automatic signaling is used for which of the following trains?

Mail and express trains
Suburban and Urban electric trains
All trains
Superfast trains

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Electric Traction
The rate of acceleration on sub-urban or urban services is restricted by the consideration of

Track curves
Passenger Discomfort
Engine power
Track size

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Electric Traction
An ideal traction system should have

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

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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 free running period
Accelerating and braking periods are comparatively smaller
It has longer coasting period
All of the listed here

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Electric Traction
Vacuum is created by which of the following?

Ejector
Any of the listed here
None of the listed here
Vacuum pump

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MORE MCQ ON Electric Traction

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