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Electric Traction

Electric Traction
The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to

20
15
5
10

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Electric Traction
For three-phase induction motors which of the following is the least efficient method of speed control?

Combination of cascade and pole changing
Rheostat control
Pole changing
Cascade control

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Electric Traction
In India, electrification of railway track was done for the first time in which of the following years?

1925 - 1932
1920-1925
1940-1942
1935 - 1938

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Electric Traction
When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when

Wheel base of axles is more
None of the listed here
Both of the listed here
Degree of curvature is more

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

Bhopal
Lucknow
Chandigarh
Jaipur

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Electric Traction
Vacuum is created by which of the following?

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

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