Electric Traction The resistance encountered by a train in motion is on account of Resistance offered by air All of the listed here Friction at the track Friction at various parts of the rolling stock Resistance offered by air All of the listed here Friction at the track Friction at various parts of the rolling stock ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The braking retardation is usually in the range 15 to 30 km phps 3 to 5 km phps 5 to 8 km phps 0.15 to 0.30 km phps 15 to 30 km phps 3 to 5 km phps 5 to 8 km phps 0.15 to 0.30 km phps ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Long distance railways use which of the following? 25 kV three phase A.C. 25 kV two phase A.C. 25 kV single phase A.C. 200 V D.C. 25 kV three phase A.C. 25 kV two phase A.C. 25 kV single phase A.C. 200 V D.C. ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The normal value of adhesion friction is 0.25 0.50 0.35 0.30 0.25 0.50 0.35 0.30 ANSWER DOWNLOAD EXAMIANS APP
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 coasting period Accelerating and braking periods are comparatively smaller It has longer free running period All of the listed here It has longer coasting period Accelerating and braking periods are comparatively smaller It has longer free running period ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Coefficient of adhesion reduces due to the presence of which of the following? Dew on rails Oil on the rails Both Dew on rails and Oil on the rails Sand on rails Dew on rails Oil on the rails Both Dew on rails and Oil on the rails Sand on rails ANSWER DOWNLOAD EXAMIANS APP
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