Electric Traction The wheels of a train, engine as well as bogies, are slightly tapered to Facilitate braking Reduce friction Facilitate in taking turns Increase friction Facilitate braking Reduce friction Facilitate in taking turns Increase friction ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The horsepower of steam locomotives is 500 to 1000 Up to 1500 1500 to 2000 2500 to 3000 500 to 1000 Up to 1500 1500 to 2000 2500 to 3000 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The air resistance to the movement of the train is proportional to (speed)2 1/speed speed (speed)3 (speed)2 1/speed speed (speed)3 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Pole changing Rheostat control Cascade control Combination of cascade and pole changing Pole changing Rheostat control Cascade control Combination of cascade and pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The pulsating torque exerted by steam locomotives causes which of the following? All of the listed here Hammer blow Pitching Jolting and skidding All of the listed here Hammer blow Pitching Jolting and skidding ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The efficiency of diesel locomotives is nearly 30 to 40 percent 20 to 25 percent 60 to 70 percent 45 to 55 percent 30 to 40 percent 20 to 25 percent 60 to 70 percent 45 to 55 percent ANSWER DOWNLOAD EXAMIANS APP
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