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 The coasting retardation is around 2.6 km phps 3.6 km phps 0.16 km phps 1.6 km phps 2.6 km phps 3.6 km phps 0.16 km phps 1.6 km phps ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is an advantage of electric traction over other methods of traction? Better braking action No pollution problems All of the listed here Faster acceleration Better braking action No pollution problems All of the listed here Faster acceleration ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction? All of the listed here Reduced current method Tap changing control of transformer Series parallel operation of motors All of the listed here Reduced current method Tap changing control of transformer Series parallel operation of motors ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following braking systems on the locomotives is costly? 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 Vacuum braking on steam locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The overall efficiency of steam locomotive is around 25 to 35 percent 35 to 45 percent 15 to 20 percent 5 to 10 percent 25 to 35 percent 35 to 45 percent 15 to 20 percent 5 to 10 percent ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS