Alternators The efficiency of the turbo-alternator _____ with increases in speed. None of the listed here Remians unchanged Decreases Increases None of the listed here Remians unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 50 Hz 60 Hz None of the listed here 120 Hz 50 Hz 60 Hz None of the listed here 120 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators are generally used to run at 3000 rpm 1500 rpm 1500 rpm 5000 rpm 3000 rpm 1500 rpm 1500 rpm 5000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 2 12 50 4 2 12 50 4 ANSWER DOWNLOAD EXAMIANS APP
Alternators In a large generator, dampers Reduce frequency fluctuations Reduce voltage fluctuations Increase stability None of the listed here Reduce frequency fluctuations Reduce voltage fluctuations Increase stability None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Pf becomes more lagging Output kW will change None of the listed here Pf becomes more leading Pf becomes more lagging Output kW will change None of the listed here Pf becomes more leading ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS