Electric Traction For 25 kV single phase system power supply frequency is 25 Hz 100 Hz 50 Hz 60 Hz 25 Hz 100 Hz 50 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Due to which of the following coefficient of adhesion improves? Rust on the rails All of the listed here Dust on the rails Sand on the rails Rust on the rails All of the listed here Dust on the rails Sand on the rails 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 free running period Accelerating and braking periods are comparatively smaller It has longer coasting period All of the listed here It has longer free running period Accelerating and braking periods are comparatively smaller It has longer coasting period ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is an advantage of electric traction over other methods of traction? No pollution problems Better braking action Faster acceleration All of the listed here No pollution problems Better braking action Faster acceleration All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _________ frequency is not common in low frequency traction system 16 Hz 40 Hz None of the listed here 25 Hz 16 Hz 40 Hz None of the listed here 25 Hz ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the disadvantage of electric traction over other systems of traction? Short time power failure interrupts traffic for hours High capital outlay in fixed installations beside route limitation Interference with communication lines Corrosion problems in the underground pipe work Short time power failure interrupts traffic for hours High capital outlay in fixed installations beside route limitation Interference with communication lines Corrosion problems in the underground pipe work ANSWER DOWNLOAD EXAMIANS APP
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