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 Lot of skidding Low coefficient of adhesion Uneven distribution of tractive effect Suitability for passenger as well as freight service Lot of skidding Low coefficient of adhesion 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? More heat is generated during braking It is instantaneous Motor continues to remain loaded during braking It avoids wear of track More heat is generated during braking It is instantaneous Motor continues to remain loaded 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 Cascade control Rheostat control Combination of cascade and pole changing Pole changing Cascade control Rheostat control Combination of cascade and pole changing ANSWER DOWNLOAD EXAMIANS APP
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