Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 leading 0.866 lagging 0.5 lagging Unity 0.866 leading 0.866 lagging 0.5 lagging Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the stator frame serves To verticate the armature To protect the whole machine As a return path for the flux To hold the armature stampings To verticate the armature To protect the whole machine As a return path for the flux To hold the armature stampings ANSWER DOWNLOAD EXAMIANS APP
Alternators In a large generator, dampers Increase stability Reduce voltage fluctuations Reduce frequency fluctuations None of the listed here Increase stability Reduce voltage fluctuations Reduce frequency fluctuations None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ Armature reaction None of the listed here Leakage flux Dc field excitation Armature reaction None of the listed here Leakage flux Dc field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. None of the listed here DC Both DC and AC AC None of the listed here DC Both DC and AC AC ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 8 2 12 4 8 2 12 4 ANSWER DOWNLOAD EXAMIANS APP
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