Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Combination of cascade and pole changing Cascade control Rheostat control Pole changing Combination of cascade and pole changing Cascade control Rheostat control Pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Watt-hours per tonne km is usually the specific energy consumption for suburban services. 150-200 120-150 100-150 50 - 75 150-200 120-150 100-150 50 - 75 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For diesel locomotives the range of horsepower is 2000 to 2500 500 to 1000 1500 to 2500 1000 to 2000 2000 to 2500 500 to 1000 1500 to 2500 1000 to 2000 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Automatic signaling is used for which of the following trains? Mail and express trains All trains Superfast trains Suburban and Urban electric trains Mail and express trains All trains Superfast trains Suburban and Urban electric trains ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The speed of a locomotive is controlled by Flywheel Applying brakes Gear box Regulating steam flow to engine Flywheel Applying brakes Gear box Regulating steam flow to engine ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of steam engines the steam pressure is 25 to 35 kgf/cm² 1 to 4 kgf/cm² 10 to 15 kgf/cm² 5 to 8 kgf/cm² 25 to 35 kgf/cm² 1 to 4 kgf/cm² 10 to 15 kgf/cm² 5 to 8 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS