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 Tap changing control of transformer Series parallel operation of motors All of the listed here Reduced current method Tap changing control of transformer Series parallel operation of motors ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Long distance railways use which of the following? 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. 25 kV three phase A.C. 25 kV two phase A.C. 25 kV single phase A.C. ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following braking systems on the locomotives is costly? Vacuum braking on diesel locomotives Regenerative braking on electric locomotives Vacuum braking on steam locomotives All braking systems are equally costly Vacuum braking on diesel locomotives Regenerative braking on electric locomotives Vacuum braking on steam locomotives All braking systems are equally costly ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In India diesel locomotives are manufactured at Ajmer Varanasi Bangalore Jamalpur Ajmer Varanasi Bangalore Jamalpur ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of locomotives the tractive power is provided by Single cylinder double acting steam engine Double cylinder, single acting steam engine Single stage steam turbine Double cylinder, double acting steam engine Single cylinder double acting steam engine Double cylinder, single acting steam engine Single stage steam turbine Double cylinder, double acting steam engine ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Due to which of the following coefficient of adhesion improves? All of the listed here Sand on the rails Dust on the rails Rust on the rails All of the listed here Sand on the rails Dust on the rails Rust on the rails ANSWER DOWNLOAD EXAMIANS APP
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