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 It has longer coasting period Accelerating and braking periods are comparatively smaller All of the listed here It has longer free running period It has longer coasting period Accelerating and braking periods are comparatively smaller ANSWER DOWNLOAD EXAMIANS APP
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 Low coefficient of adhesion Lot of skidding Suitability for passenger as well as freight service Uneven distribution of tractive effect ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the advantage of electric braking? It is instantaneous It avoids wear of track More heat is generated during braking Motor continues to remain loaded during braking It is instantaneous It avoids wear of track More heat is generated during braking 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 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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