Electric Traction The rate of acceleration on sub-urban or urban services is restricted by the consideration of Passenger Discomfort Track size Track curves Engine power Passenger Discomfort Track size Track curves Engine power ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the advantage of electric braking? 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 More heat is generated during braking It avoids wear of track ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The voltage used for suburban trains in D.C. system is usually 24 V 12 V 600 to 750 V 220 V 24 V 12 V 600 to 750 V 220 V ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Due to which of the following coefficient of adhesion improves? Rust on the rails Dust on the rails Sand on the rails All of the listed here Rust on the rails Dust on the rails Sand on the rails All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The friction at the track is proportional to Speed None of the listed here 1/speed 1/(speed)² Speed None of the listed here 1/speed 1/(speed)² ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Long distance railways use which of the following? 25 kV two phase A.C. 200 V D.C. 25 kV three phase A.C. 25 kV single phase A.C. 25 kV two phase A.C. 200 V D.C. 25 kV three phase A.C. 25 kV single phase A.C. ANSWER DOWNLOAD EXAMIANS APP
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