Alternators In an alternator the armature reaction is mainly influenced by The power factor of the load Short circuit ratio Speed of the alternator Total current drawn The power factor of the load Short circuit ratio Speed of the alternator Total current drawn ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators have rotors of _______ Large diameter and long axial length Same diameter and axial length Small diameter and long axial length Large diameter and small axial length Large diameter and long axial length Same diameter and axial length Small diameter and long axial length Large diameter and small axial length 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 For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 8 12 4 2 8 12 4 2 ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators are generally used to run at 1500 rpm 1500 rpm 3000 rpm 5000 rpm 1500 rpm 1500 rpm 3000 rpm 5000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become One fourth Double Unchanged Half One fourth Double Unchanged Half ANSWER DOWNLOAD EXAMIANS APP