Electric Traction Speed-time curve of main line service differs from those of urban and suburban services on following account It has longer free running period It has longer coasting period All of the listed here Accelerating and braking periods are comparatively smaller It has longer free running period It has longer coasting period All of the listed here Accelerating and braking periods are comparatively smaller ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Locomotives with monometer bogies have 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 Suitability for passenger as well as freight service ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the advantage of electric braking? 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 It is instantaneous More heat is generated during braking It avoids wear of track 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 Combination of cascade and pole changing Rheostat control Cascade control Pole changing Combination of cascade and pole changing Rheostat control Cascade control ANSWER DOWNLOAD EXAMIANS APP