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 It has longer free running period All of the listed here Accelerating and braking periods are comparatively smaller It has longer coasting period It has longer free running period All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Locomotives with monometer bogies have 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 Low coefficient of adhesion Lot of skidding ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the advantage of electric braking? More heat is generated during braking It avoids wear of track It is instantaneous Motor continues to remain loaded during braking More heat is generated during braking It avoids wear of track It is instantaneous 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? Combination of cascade and pole changing Cascade control Pole changing Rheostat control Combination of cascade and pole changing Cascade control Pole changing Rheostat control ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS