Electric Traction Coefficient of adhesion reduces due to the presence of which of the following? Both Dew on rails and Oil on the rails Sand on rails Dew on rails Oil on the rails Both Dew on rails and Oil on the rails Sand on rails Dew on rails Oil on the rails ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Watt-hours per tonne km is usually the specific energy consumption for suburban services. 150-200 120-150 50 - 75 100-150 150-200 120-150 50 - 75 100-150 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The specific energy consumption of a train depends on which of the following? Distance covered Acceleration and retardation All of the listed here Gradient Distance covered Acceleration and retardation All of the listed here Gradient ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Long distance railways use which of the following? 200 V D.C. 25 kV three phase A.C. 25 kV two phase A.C. 25 kV single phase A.C. 200 V D.C. 25 kV three phase A.C. 25 kV two phase A.C. 25 kV single phase A.C. ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Tractive effort is required to Overcome friction, windage and curve resistance All of the listed here Overcome the gravity component of train mass Accelerate the train mass Overcome friction, windage and curve resistance All of the listed here Overcome the gravity component of train mass Accelerate the train mass ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The efficiency of diesel locomotives is nearly 60 to 70 percent 45 to 55 percent 30 to 40 percent 20 to 25 percent 60 to 70 percent 45 to 55 percent 30 to 40 percent 20 to 25 percent ANSWER DOWNLOAD EXAMIANS APP
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