Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Field excitation of alternators Phase sequence None of the listed here Driving torques of prime movers Field excitation of alternators Phase sequence None of the listed here Driving torques of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators In a cylindrical rotor how much portion of the rotor is wound? Half Full Two third One third Half Full Two third One third ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. Remians unchanged Increases Decreases None of the listed here Remians unchanged Increases Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 lagging 0.866 leading 0.5 lagging Unity 0.866 lagging 0.866 leading 0.5 lagging Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators Armature winding of an alternator are generally Closed winding Open winding None of the listed here Partly open and partly closed windings Closed winding Open winding None of the listed here Partly open and partly closed windings ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Increasing the field excitation Increasing the speed of prime movers Decreasing the field excitation Decreasing the speed of prime movers Increasing the field excitation Increasing the speed of prime movers Decreasing the field excitation Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS