Electric Traction Coefficient of adhesion reduces due to the presence of which of the following? Both Dew on rails and Oil on the rails Oil on the rails Dew on rails Sand on rails Both Dew on rails and Oil on the rails Oil on the rails Dew on rails Sand on rails ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following braking systems on the locomotives is costly? All braking systems are equally costly Vacuum braking on diesel locomotives Vacuum braking on steam locomotives Regenerative braking on electric locomotives All braking systems are equally costly Vacuum braking on diesel locomotives Vacuum braking on steam locomotives Regenerative braking on electric locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The return circuit for tram cars is through A. Neutral wire Rails Neutral wire Common earthing Cables Rails Neutral wire Common earthing Cables ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The air resistance to the movement of the train is proportional to speed 1/speed (speed)3 (speed)2 speed 1/speed (speed)3 (speed)2 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of a steam engine an average coal consumption per km is nearly 150 to 175 kg 60 to 80 kg 28 to 30 kg 100 to 120 kg 150 to 175 kg 60 to 80 kg 28 to 30 kg 100 to 120 kg 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
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