Electric Traction The specific energy consumption of a train depends on which of the following? Distance covered All of the listed here Acceleration and retardation Gradient Distance covered All of the listed here Acceleration and retardation Gradient ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For 25 kV single phase system power supply frequency is 50 Hz 100 Hz 60 Hz 25 Hz 50 Hz 100 Hz 60 Hz 25 Hz ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following braking systems is used on steam locomotives? Pneumatic system None of the listed here Hydraulic system Vacuum system Pneumatic system None of the listed here Hydraulic system Vacuum system 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? 0.35 0.26 0.46 0.16 0.35 0.26 0.46 0.16 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 Combination of cascade and pole changing Rheostat control Pole changing Cascade control Combination of cascade and pole changing Rheostat control Pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Coefficient of adhesion is Low in case of D.C. traction than in the case of AC. traction All of the listed here High in case of D.C. traction than in the case of AC. traction Equal in both AC. and D.C. traction Low in case of D.C. traction than in the case of AC. traction All of the listed here High in case of D.C. traction than in the case of AC. traction Equal in both AC. and D.C. traction ANSWER DOWNLOAD EXAMIANS APP
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