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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
10
15
5

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Electric Traction
Tractive effort is required to

Accelerate the train mass
All of the listed here
Overcome the gravity component of train mass
Overcome friction, windage and curve resistance

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Electric Traction
Overload capacity of diesel engines is usually restricted to

4 percent
6 percent
2 percent
8 percent

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

40 Hz
None of the listed here
25 Hz
16 Hz

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Electric Traction
For given maximum axle load tractive efforts of AC. locomotive will be

None of the listed here
Less than that of D.C. locomotive
Equal to that of D.C. locomotive
More than that of D.C. locomotive

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Electric Traction
Locomotives with monometer bogies have

Uneven distribution of tractive effect
Lot of skidding
Low coefficient of adhesion
Suitability for passenger as well as freight service

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MORE MCQ ON Electric Traction

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