Electric Traction Automatic signalling is used for which of the following trains ? All of the listed here Superfast trains Suburban and Urban electric trains Mail and express trains All of the listed here Superfast trains Suburban and Urban electric trains Mail and express trains ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the disadvantage of electric traction over other systems of traction? 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 Interference with communication lines High capital outlay in fixed installations beside route limitation ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Specific energy consumption is affected by which of the following factors? Gradient Distance between stops Retardation and acceleration values All of the listed here Gradient Distance between stops Retardation and acceleration values All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The air resistance to the movement of the train is proportional to 1/speed (speed)3 (speed)2 speed 1/speed (speed)3 (speed)2 speed ANSWER DOWNLOAD EXAMIANS APP
Electric Traction ________ have maximum unbalanced forces. All of the listed here Diesel locomotives Electric locomotives Steam locomotives All of the listed here Diesel locomotives Electric locomotives Steam locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Long distance railways use which of the following? 25 kV two phase A.C. 200 V D.C. 25 kV single phase A.C. 25 kV three phase A.C. 25 kV two phase A.C. 200 V D.C. 25 kV single phase A.C. 25 kV three phase A.C. ANSWER DOWNLOAD EXAMIANS APP
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