Electric Traction Which of the following is the disadvantage of electric traction over other systems of traction? Corrosion problems in the underground pipe work Interference with communication lines High capital outlay in fixed installations beside route limitation Short time power failure interrupts traffic for hours Corrosion problems in the underground pipe work Interference with communication lines High capital outlay in fixed installations beside route limitation Short time power failure interrupts traffic for hours ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Speed-time curve of main line service differs from those of urban and suburban services on following account It has longer coasting period It has longer free running period All of the listed here Accelerating and braking periods are comparatively smaller It has longer coasting period It has longer free running period All of the listed here Accelerating and braking periods are comparatively smaller 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 All of the listed here Tap changing control of transformer Series parallel operation of motors Reduced current method All of the listed here Tap changing control of transformer Series parallel operation of motors ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The air resistance to the movement of the train is proportional to (speed)3 speed (speed)2 1/speed (speed)3 speed (speed)2 1/speed ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Suri transmission is Hydro mechanical Electrical pneumatic Hydro pneumatic Mechanical electrical Hydro mechanical Electrical pneumatic Hydro pneumatic Mechanical electrical ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The coasting retardation is around 0.16 km phps 1.6 km phps 2.6 km phps 3.6 km phps 0.16 km phps 1.6 km phps 2.6 km phps 3.6 km phps ANSWER DOWNLOAD EXAMIANS APP
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