Electric Traction Methods can bring the locomotive to dead stop. Regenerative braking Plugging braking Rheostat braking None of the listed here Regenerative braking Plugging braking Rheostat braking None of the listed here 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 It has longer free running period Accelerating and braking periods are comparatively smaller All of the listed here It has longer coasting period It has longer free running period Accelerating and braking periods are comparatively smaller All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In tram ways which of the following motors is used? D.C. series motor AC. single phase capacitor start motor A.C. three phase motor D.C. shunt motor D.C. series motor AC. single phase capacitor start motor A.C. three phase motor D.C. shunt motor ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The resistance encountered by a train in motion is on account of Resistance offered by air All of the listed here Friction at various parts of the rolling stock Friction at the track Resistance offered by air All of the listed here Friction at various parts of the rolling stock Friction at the track ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of locomotives the tractive power is provided by Double cylinder, single acting steam engine Single cylinder double acting steam engine Double cylinder, double acting steam engine Single stage steam turbine Double cylinder, single acting steam engine Single cylinder double acting steam engine Double cylinder, double acting steam engine Single stage steam turbine ANSWER DOWNLOAD EXAMIANS APP
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
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