Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 8 12 2 4 8 12 2 4 ANSWER DOWNLOAD EXAMIANS APP
Alternators In a large generator, dampers None of the listed here Reduce frequency fluctuations Reduce voltage fluctuations Increase stability None of the listed here Reduce frequency fluctuations Reduce voltage fluctuations Increase stability ANSWER DOWNLOAD EXAMIANS APP
Alternators A turbo alternator uses ________ Rotating ac machine winding Salient pole field structure None of the listed here Nonsalient pole field structure Rotating ac machine winding Salient pole field structure None of the listed here Nonsalient pole field structure ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternator are generally used to run at 1500 rpm 15000 rpm 5000 rpm 3000 rpm 1500 rpm 15000 rpm 5000 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator supplying power to a load with a leading power factor always has ______ voltage regulation. Negative Zero Positive Unity Negative Zero Positive Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 lagging Unity 0.5 lagging 0.866 leading 0.866 lagging Unity 0.5 lagging 0.866 leading ANSWER DOWNLOAD EXAMIANS APP
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