Electric Traction Which of the following braking systems on the locomotives is costly? Vacuum braking on diesel locomotives All braking systems are equally costly Vacuum braking on steam locomotives Regenerative braking on electric locomotives Vacuum braking on diesel locomotives All braking systems are equally costly Vacuum braking on steam locomotives Regenerative braking on electric locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the voltage for single phase A.C. system? 11 kV 220 v 220 V 5 kV 11 kV 220 v 220 V 5 kV ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For 25 kV single phase system power supply frequency is 60 Hz 50 Hz 25 Hz 100 Hz 60 Hz 50 Hz 25 Hz 100 Hz ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Series motor is not suited for traction duty due to which of the following account? Current surges after temporary switching off supply Commutating property at heavy load Self relieving property Less current drain on the heavy load torque Current surges after temporary switching off supply Commutating property at heavy load Self relieving property Less current drain on the heavy load torque ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In a steam locomotive electric power is provided through Diesel engine generator Overhead wire Small turbo-generator Battery system Diesel engine generator Overhead wire Small turbo-generator Battery system ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _________ frequency is not common in low frequency traction system None of the listed here 40 Hz 25 Hz 16 Hz None of the listed here 40 Hz 25 Hz 16 Hz ANSWER DOWNLOAD EXAMIANS APP
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