Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1500 rpm None of the listed here 500 rpm 1000 rpm 1500 rpm None of the listed here 500 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 12 2 4 50 12 2 4 50 ANSWER DOWNLOAD EXAMIANS APP
Alternators In a large generator, dampers None of the listed here Increase stability Reduce frequency fluctuations Reduce voltage fluctuations None of the listed here Increase stability Reduce frequency fluctuations Reduce voltage fluctuations 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 Double Half One fourth Unchanged Double Half One fourth ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. Decreases Remians unchanged Increases None of the listed here Decreases Remians unchanged Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, for a coil having a span of 2/3 of pole pitch, the coil span factor will be 0.6 0.2 0.866 0.707 0.6 0.2 0.866 0.707 ANSWER DOWNLOAD EXAMIANS APP