Electric Traction In tram ways which of the following motors is used? A.C. three phase motor D.C. series motor AC. single phase capacitor start motor D.C. shunt motor A.C. three phase motor D.C. series motor AC. single phase capacitor start motor D.C. shunt motor ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In India diesel locomotives are manufactured at Jamalpur Ajmer Bangalore Varanasi Jamalpur Ajmer Bangalore Varanasi ANSWER DOWNLOAD EXAMIANS APP
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 Specific energy consumption becomes Less if distance between stops is more All of the listed here More with high train resistance More on steeper gradient Less if distance between stops is more All of the listed here More with high train resistance More on steeper gradient ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In main line service as compared to urban and suburban service Distance between the stops is more Maximum speed reached is high All of the listed here Acceleration and retardation rates are low Distance between the stops is more Maximum speed reached is high All of the listed here Acceleration and retardation rates are low 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 Rheostat control Pole changing Combination of cascade and pole changing Cascade control Rheostat control Pole changing Combination of cascade and pole changing ANSWER DOWNLOAD EXAMIANS APP