Electric Traction _______ was the first city in India to adopt electric traction. Calcutta (kolkata) Delhi Madras (Chennai) Bombay (Mumbai) Calcutta (kolkata) Delhi Madras (Chennai) Bombay (Mumbai) ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Rheostat control Combination of cascade and pole changing Cascade control Pole changing Rheostat control Combination of cascade and pole changing Cascade control Pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Tractive effort is required to All of the listed here Overcome friction, windage and curve resistance Accelerate the train mass Overcome the gravity component of train mass All of the listed here Overcome friction, windage and curve resistance Accelerate the train mass Overcome the gravity component of train mass ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Series motor is not suited for traction duty due to which of the following account? Self relieving property Commutating property at heavy load Current surges after temporary switching off supply Less current drain on the heavy load torque Self relieving property Commutating property at heavy load Current surges after temporary switching off supply Less current drain on the heavy load torque ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of a steam engine an average coal consumption per km is nearly 100 to 120 kg 28 to 30 kg 150 to 175 kg 60 to 80 kg 100 to 120 kg 28 to 30 kg 150 to 175 kg 60 to 80 kg ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following braking systems on the locomotives is costly? Vacuum braking on diesel locomotives Vacuum braking on steam locomotives All braking systems are equally costly Regenerative braking on electric locomotives Vacuum braking on diesel locomotives Vacuum braking on steam locomotives All braking systems are equally costly Regenerative braking on electric locomotives ANSWER DOWNLOAD EXAMIANS APP