Electric Traction The speed of a superfast train is 100 kmph 75 kmph More than 100 kmph 60 kmph 100 kmph 75 kmph More than 100 kmph 60 kmph ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Speed-time curve of main line service differs from those of urban and suburban services on following account All of the listed here It has longer coasting period Accelerating and braking periods are comparatively smaller It has longer free running period All of the listed here It has longer coasting period Accelerating and braking periods are comparatively smaller It has longer free running period 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 single phase A.C. 25 kV two phase A.C. 200 V D.C. 25 kV three phase A.C. 25 kV single phase A.C. 25 kV two phase A.C. ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Series motor is not suited for traction duty due to which of the following account? Less current drain on the heavy load torque Commutating property at heavy load Self relieving property Current surges after temporary switching off supply Less current drain on the heavy load torque Commutating property at heavy load Self relieving property Current surges after temporary switching off supply ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Vacuum is created by which of the following? Any of the listed here Ejector Vacuum pump None of the listed here Any of the listed here Ejector Vacuum pump None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the disadvantage of electric traction over other systems of traction? Interference with communication lines Short time power failure interrupts traffic for hours Corrosion problems in the underground pipe work High capital outlay in fixed installations beside route limitation Interference with communication lines Short time power failure interrupts traffic for hours Corrosion problems in the underground pipe work High capital outlay in fixed installations beside route limitation ANSWER DOWNLOAD EXAMIANS APP
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