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Electric Traction

Electric Traction
In case of a steam engine an average coal consumption per km is nearly

150 to 175 kg
28 to 30 kg
60 to 80 kg
100 to 120 kg

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Electric Traction
In case of locomotives the tractive power is provided by

Double cylinder, single acting steam engine
Single cylinder double acting steam engine
Single stage steam turbine
Double cylinder, double acting steam engine

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Electric Traction
Locomotives with monometer bogies have

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

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

Increase friction
Facilitate braking
Reduce friction
Facilitate in taking turns

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Electric Traction
Specific energy consumption is affected by which of the following factors?

Retardation and acceleration values
All of the listed here
Distance between stops
Gradient

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Electric Traction
The overall efficiency of steam locomotive is around

15 to 20 percent
35 to 45 percent
25 to 35 percent
5 to 10 percent

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MORE MCQ ON Electric Traction

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