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 The overall efficiency of steam locomotive is around 5 to 10 percent 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 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Energy consumption in propelling the train is required for which of the following? Work against gravity while moving up the gradient Acceleration All of the listed here Work against the resistance to motion Work against gravity while moving up the gradient Acceleration All of the listed here Work against the resistance to motion ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The rate of acceleration on suburban or urban service is in the range 0.2 to 0.5 km phps 1.6 to 4.0 km phps 15 to 25 km phps 5 to 10 km phps 0.2 to 0.5 km phps 1.6 to 4.0 km phps 15 to 25 km phps 5 to 10 km phps ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Cascade control Rheostat control Pole changing Combination of cascade and pole changing Cascade control Rheostat control Pole changing Combination of cascade and pole changing 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 High capital outlay in fixed installations beside route limitation Corrosion problems in the underground pipe work Short time power failure interrupts traffic for hours Interference with communication lines High capital outlay in fixed installations beside route limitation Corrosion problems in the underground pipe work Short time power failure interrupts traffic for hours ANSWER DOWNLOAD EXAMIANS APP
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