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 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 Accelerating and braking periods are comparatively smaller It has longer coasting period ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Locomotives with monometer bogies have Low coefficient of adhesion Lot of skidding Uneven distribution of tractive effect Suitability for passenger as well as freight service Low coefficient of adhesion Lot of skidding Uneven distribution of tractive effect Suitability for passenger as well as freight service ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the advantage of electric braking? It is instantaneous More heat is generated during braking It avoids wear of track Motor continues to remain loaded during braking It is instantaneous More heat is generated during braking It avoids wear of track Motor continues to remain loaded during braking 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 Rheostat control Pole changing Combination of cascade and pole changing Cascade control Rheostat control Pole changing Combination of cascade and pole changing ANSWER DOWNLOAD EXAMIANS APP
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