Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Rheostat control Pole changing Cascade control Combination of cascade and pole changing Rheostat control Pole changing Cascade control Combination of cascade and pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _______ was the first city in India to adopt electric traction. Calcutta (kolkata) Madras (Chennai) Bombay (Mumbai) Delhi Calcutta (kolkata) Madras (Chennai) Bombay (Mumbai) Delhi ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For diesel locomotives the range of horsepower is 500 to 1000 2000 to 2500 1000 to 2000 1500 to 2500 500 to 1000 2000 to 2500 1000 to 2000 1500 to 2500 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The pulsating torque exerted by steam locomotives causes which of the following? Jolting and skidding Hammer blow All of the listed here Pitching Jolting and skidding Hammer blow All of the listed here Pitching ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The specific energy consumption of a train depends on which of the following? Acceleration and retardation Gradient Distance covered All of the listed here Acceleration and retardation Gradient Distance covered All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Coefficient of adhesion reduces due to the presence of which of the following? Both Dew on rails and Oil on the rails Dew on rails Sand on rails Oil on the rails Both Dew on rails and Oil on the rails Dew on rails Sand on rails Oil on the rails ANSWER DOWNLOAD EXAMIANS APP