Electric Traction In case of locomotives the tractive power is provided by Double cylinder, double acting steam engine Double cylinder, single acting steam engine Single cylinder double acting steam engine Single stage steam turbine Double cylinder, double acting steam engine Double cylinder, single acting steam engine Single 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? Rheostat control Combination of cascade and pole changing Pole changing Cascade control Rheostat control Combination of cascade and pole changing Pole changing Cascade control ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the voltage for single phase A.C. system? 220 V 220 v 11 kV 5 kV 220 V 220 v 11 kV 5 kV ANSWER DOWNLOAD EXAMIANS APP
Electric Traction ________ have maximum unbalanced forces. All of the listed here Steam locomotives Diesel locomotives Electric locomotives All of the listed here Steam locomotives Diesel locomotives Electric locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Coefficient of adhesion is High in case of D.C. traction than in the case of AC. traction Low in case of D.C. traction than in the case of AC. traction Equal in both AC. and D.C. traction All of the listed here High in case of D.C. traction than in the case of AC. traction Low in case of D.C. traction than in the case of AC. traction Equal in both AC. and D.C. traction All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The friction at the track is proportional to None of the listed here 1/speed Speed 1/(speed)² None of the listed here 1/speed Speed 1/(speed)² ANSWER DOWNLOAD EXAMIANS APP
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