Electric Traction Long distance railways use which of the following? 25 kV three phase A.C. 200 V D.C. 25 kV single phase A.C. 25 kV two phase A.C. 25 kV three phase A.C. 200 V D.C. 25 kV single phase A.C. 25 kV two phase A.C. ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is an advantage of electric traction over other methods of traction? Faster acceleration No pollution problems All of the listed here Better braking action Faster acceleration No pollution problems All of the listed here Better braking action 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 Accelerating and braking periods are comparatively smaller It has longer free running period It has longer coasting period All of the listed here Accelerating and braking periods are comparatively smaller It has longer free running period It has longer coasting period ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The return circuit for tram cars is through A. Neutral wire Cables Neutral wire Common earthing Rails Cables Neutral wire Common earthing Rails ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The pulsating torque exerted by steam locomotives causes which of the following? All of the listed here Pitching Jolting and skidding Hammer blow All of the listed here Pitching Jolting and skidding Hammer blow ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For 25 kV single phase system power supply frequency is 60 Hz 50 Hz 100 Hz 25 Hz 60 Hz 50 Hz 100 Hz 25 Hz ANSWER DOWNLOAD EXAMIANS APP
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