Electric Traction The wheels of a train, engine as well as bogies, are slightly tapered to Reduce friction Facilitate braking Facilitate in taking turns Increase friction Reduce friction Facilitate braking Facilitate in taking turns Increase friction ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _________ frequency is not common in low frequency traction system 40 Hz 16 Hz None of the listed here 25 Hz 40 Hz 16 Hz None of the listed here 25 Hz ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In a steam locomotive electric power is provided through Overhead wire Battery system Small turbo-generator Diesel engine generator Overhead wire Battery system Small turbo-generator Diesel engine generator ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of steam engines the steam pressure is 5 to 8 kgf/cm² 25 to 35 kgf/cm² 10 to 15 kgf/cm² 1 to 4 kgf/cm² 5 to 8 kgf/cm² 25 to 35 kgf/cm² 10 to 15 kgf/cm² 1 to 4 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In main line service as compared to urban and suburban service All of the listed here Acceleration and retardation rates are low Maximum speed reached is high Distance between the stops is more All of the listed here Acceleration and retardation rates are low Maximum speed reached is high Distance between the stops is more 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 Combination of cascade and pole changing Pole changing Cascade control Rheostat control Combination of cascade and pole changing Pole changing ANSWER DOWNLOAD EXAMIANS APP
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