Electric Traction The overall efficiency of steam locomotive is around 35 to 45 percent 25 to 35 percent 15 to 20 percent 5 to 10 percent 35 to 45 percent 25 to 35 percent 15 to 20 percent 5 to 10 percent ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The resistance encountered by a train in motion is on account of Friction at various parts of the rolling stock All of the listed here Resistance offered by air Friction at the track Friction at various parts of the rolling stock All of the listed here Resistance offered by air Friction at the track ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following happens in Kando system? Single phase supply is converted into three phase system Three phase A.C. is converted into D.C. None of the listed here Single phase A.C. is converted into D.C. Single phase supply is converted into three phase system Three phase A.C. is converted into D.C. None of the listed here Single phase A.C. is converted into D.C. ANSWER DOWNLOAD EXAMIANS APP
Electric Traction If the coefficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails? 0.16 0.35 0.26 0.46 0.16 0.35 0.26 0.46 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
Electric Traction Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction? Reduced current method Series parallel operation of motors All of the listed here Tap changing control of transformer Reduced current method Series parallel operation of motors All of the listed here Tap changing control of transformer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS