Electric Traction Which of the following braking systems on the locomotives is costly? Vacuum braking on steam locomotives Regenerative braking on electric locomotives All braking systems are equally costly Vacuum braking on diesel locomotives Vacuum braking on steam locomotives Regenerative braking on electric locomotives All braking systems are equally costly Vacuum braking on diesel locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The coasting retardation is around 3.6 km phps 2.6 km phps 0.16 km phps 1.6 km phps 3.6 km phps 2.6 km phps 0.16 km phps 1.6 km phps 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 Less current drain on the heavy load torque Current surges after temporary switching off supply Self relieving property Commutating property at heavy load Less current drain on the heavy load torque Current surges after temporary switching off supply ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Long distance railways use which of the following? 25 kV two phase A.C. 25 kV three phase A.C. 25 kV single phase A.C. 200 V D.C. 25 kV two phase A.C. 25 kV three phase A.C. 25 kV single phase A.C. 200 V D.C. ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The rate of acceleration on sub-urban or urban services is restricted by the consideration of Track size Track curves Engine power Passenger Discomfort Track size Track curves Engine power Passenger Discomfort ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following happens in Kando system? Single phase supply is converted into three phase system Three phase A.C. is converted into D.C. None of the listed here Single phase A.C. is converted into D.C. Single phase supply is converted into three phase system Three phase A.C. is converted into D.C. None of the listed here Single phase A.C. is converted into D.C. ANSWER DOWNLOAD EXAMIANS APP
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