Electric Traction Which of the following is the disadvantage of electric traction over other systems of traction? Interference with communication lines Corrosion problems in the underground pipe work Short time power failure interrupts traffic for hours High capital outlay in fixed installations beside route limitation Interference with communication lines Corrosion problems in the underground pipe work Short time power failure interrupts traffic for hours High capital outlay in fixed installations beside route limitation ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Suri transmission is Hydro mechanical Hydro pneumatic Mechanical electrical Electrical pneumatic Hydro mechanical Hydro pneumatic Mechanical electrical Electrical pneumatic ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _________ frequency is not common in low frequency traction system None of the listed here 16 Hz 40 Hz 25 Hz None of the listed here 16 Hz 40 Hz 25 Hz 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 Pole changing Combination of cascade and pole changing Rheostat control Cascade control Pole changing Combination of cascade and pole changing Rheostat control ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The coasting retardation is around 2.6 km phps 3.6 km phps 0.16 km phps 1.6 km phps 2.6 km phps 3.6 km phps 0.16 km phps 1.6 km phps ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The speed of a locomotive is controlled by Flywheel Applying brakes Regulating steam flow to engine Gear box Flywheel Applying brakes Regulating steam flow to engine Gear box ANSWER DOWNLOAD EXAMIANS APP