Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Decreasing the field excitation Increasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators When two alternators are running in exact synchronism, the synchronising power will be Sum of the output of two Zero None of the listed here Unity Sum of the output of two Zero None of the listed here Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators The dark and bright lamp method is used for Transfer of load Synchronizing Balancing of load Phase sequence Transfer of load Synchronizing Balancing of load Phase sequence ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 leading Unity 0.5 lagging 0.866 lagging 0.866 leading Unity 0.5 lagging 0.866 lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators The alternators driven by _______ do not have a tendency to hunt. Water turbines None of the listed here Steam turbines Diesel engines Water turbines None of the listed here Steam turbines Diesel engines ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become One fourth Double Half Unchanged One fourth Double Half Unchanged ANSWER DOWNLOAD EXAMIANS APP
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