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 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 Increasing the field excitation Increasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 12 8 4 2 12 8 4 2 ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf None of the listed here Remains the same Increases Decreases None of the listed here Remains the same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to Prevenent hunting Achieve synchronism None of the listed here Reduce windage loss Prevenent hunting Achieve synchronism None of the listed here Reduce windage loss ANSWER DOWNLOAD EXAMIANS APP
Alternators Majority of the alternators are Single phase Three phase Two phase None of the listed here Single phase Three phase Two phase None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ No reactive power None of the listed here Leading VAR Lagging VAR No reactive power None of the listed here Leading VAR Lagging VAR ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS