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 All of the listed here It has longer coasting period It has longer free running period Accelerating and braking periods are comparatively smaller All of the listed here It has longer coasting period It has longer free running period ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Locomotives with monometer bogies have Low coefficient of adhesion Uneven distribution of tractive effect Lot of skidding Suitability for passenger as well as freight service Low coefficient of adhesion Uneven distribution of tractive effect Lot of skidding 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? Pole changing Rheostat control Combination of cascade and pole changing Cascade control Pole changing Rheostat control Combination of cascade and pole changing Cascade control ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS