Electric Traction Tractive effort is required to Accelerate the train mass All of the listed here Overcome friction, windage and curve resistance Overcome the gravity component of train mass Accelerate the train mass All of the listed here Overcome friction, windage and curve resistance Overcome the gravity component of train mass ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For 25 kV single phase system power supply frequency is 60 Hz 50 Hz 25 Hz 100 Hz 60 Hz 50 Hz 25 Hz 100 Hz 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 Vacuum is created by which of the following? Ejector Any of the listed here None of the listed here Vacuum pump Ejector Any of the listed here None of the listed here Vacuum pump ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Rheostat control Combination of cascade and pole changing Pole changing Cascade control Rheostat control Combination of cascade and pole changing Pole changing Cascade control ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Overhead lines for power supply to tram cars are at a minimum height of 15 m 6 m 3 m 10 m 15 m 6 m 3 m 10 m ANSWER DOWNLOAD EXAMIANS APP
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