Electric Traction Which of the following is an advantage of electric traction over other methods of traction? All of the listed here No pollution problems Better braking action Faster acceleration All of the listed here No pollution problems Better braking action Faster acceleration ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of steam engines the steam pressure is 5 to 8 kgf/cm² 10 to 15 kgf/cm² 25 to 35 kgf/cm² 1 to 4 kgf/cm² 5 to 8 kgf/cm² 10 to 15 kgf/cm² 25 to 35 kgf/cm² 1 to 4 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Speed-time curve of main line service differs from those of urban and suburban services on following account It has longer coasting period All of the listed here It has longer free running period Accelerating and braking periods are comparatively smaller It has longer coasting period All of the listed here It has longer free running period Accelerating and braking periods are comparatively smaller 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 Rheostat control Combination of cascade and pole changing Cascade control Pole changing Rheostat control Combination of cascade and pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The resistance encountered by a train in motion is on account of All of the listed here Resistance offered by air Friction at the track Friction at various parts of the rolling stock All of the listed here Resistance offered by air Friction at the track Friction at various parts of the rolling stock ANSWER DOWNLOAD EXAMIANS APP
Electric Traction When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when Wheel base of axles is more Degree of curvature is more Both of the listed here None of the listed here Wheel base of axles is more Degree of curvature is more Both of the listed here None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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