Electric Traction The air resistance to the movement of the train is proportional to speed 1/speed (speed)2 (speed)3 speed 1/speed (speed)2 (speed)3 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction? All of the listed here Reduced current method Series parallel operation of motors Tap changing control of transformer All of the listed here Reduced current method Series parallel operation of motors Tap changing control of transformer ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the voltage for single phase A.C. system? 220 V 5 kV 11 kV 220 v 220 V 5 kV 11 kV 220 v ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The specific energy consumption of a train depends on which of the following? Gradient Distance covered All of the listed here Acceleration and retardation Gradient Distance covered All of the listed here Acceleration and retardation ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the advantage of electric braking? It avoids wear of track More heat is generated during braking Motor continues to remain loaded during braking It is instantaneous It avoids wear of track More heat is generated during braking Motor continues to remain loaded during braking It is instantaneous ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For which of the following locomotives the maintenance requirements are the least? Diesel locomotives Electric locomotives All of the listed here Steam locomotives Diesel locomotives Electric locomotives All of the listed here Steam locomotives ANSWER DOWNLOAD EXAMIANS APP
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