Electric Traction Speed-time curve of main line service differs from those of urban and suburban services on following account Accelerating and braking periods are comparatively smaller It has longer coasting period All of the listed here It has longer free running period Accelerating and braking periods are comparatively smaller It has longer coasting period All of the listed here It has longer free running period ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Locomotives with monometer bogies have Low coefficient of adhesion Suitability for passenger as well as freight service Lot of skidding Uneven distribution of tractive effect Low coefficient of adhesion Suitability for passenger as well as freight service Lot of skidding Uneven distribution of tractive effect ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the advantage of electric braking? Motor continues to remain loaded during braking More heat is generated during braking It is instantaneous It avoids wear of track Motor continues to remain loaded during braking More heat is generated during braking It is instantaneous It avoids wear of track ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Rheostat control Cascade control Pole changing Combination of cascade and pole changing Rheostat control Cascade control Pole changing Combination of cascade and pole changing ANSWER DOWNLOAD EXAMIANS APP
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