Alternators If the number of poles of an alternator is increased, the generated emf Remains the same Decreases None of the listed here Increases Remains the same Decreases None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Unchanged One fourth Half Double Unchanged One fourth Half Double ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 4 2 8 12 4 2 8 12 ANSWER DOWNLOAD EXAMIANS APP
Alternators In a large generator, dampers None of the listed here Reduce voltage fluctuations Increase stability Reduce frequency fluctuations None of the listed here Reduce voltage fluctuations Increase stability Reduce frequency fluctuations ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be More costly More efficient Operating at high rpm Larger in size More costly More efficient Operating at high rpm Larger in size ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Steam turbine Diesel engine Steam engine Gas turbine Steam turbine Diesel engine Steam engine Gas turbine ANSWER DOWNLOAD EXAMIANS APP
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