Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 60 Hz 50 Hz None of the listed here 120 Hz 60 Hz 50 Hz None of the listed here 120 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become Half Four times One-fourth Twice Half Four times One-fourth Twice ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.5 lagging Unity 0.866 lagging 0.866 leading 0.5 lagging Unity 0.866 lagging 0.866 leading ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 8 4 12 2 8 4 12 2 ANSWER DOWNLOAD EXAMIANS APP
Alternators The rating of an alternator is expressed in______ kVAR HP kVA kW kVAR HP kVA kW ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ No reactive power Leading VAR Lagging VAR None of the listed here No reactive power Leading VAR Lagging VAR None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS