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Electric Traction

Electric Traction
The speed of a locomotive is controlled by

Gear box
Regulating steam flow to engine
Applying brakes
Flywheel

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Electric Traction
Specific energy consumption becomes

All of the listed here
More on steeper gradient
Less if distance between stops is more
More with high train resistance

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Electric Traction
Overload capacity of diesel engines is usually restricted to

6 percent
8 percent
2 percent
4 percent

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Electric Traction
Long distance railways use which of the following?

25 kV two phase A.C.
25 kV single phase A.C.
200 V D.C.
25 kV three phase A.C.

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Electric Traction
Series motor is not suited for traction duty due to which of the following account?

Less current drain on the heavy load torque
Commutating property at heavy load
Self relieving property
Current surges after temporary switching off supply

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

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

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MORE MCQ ON Electric Traction

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