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