Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 120 Hz None of the listed here 60 Hz 50 Hz 120 Hz None of the listed here 60 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the armature reaction will be completely magnetizing in case the load power factor is Unity 0.866 Zero leading Zero lagging Unity 0.866 Zero leading Zero lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Complex effects of armature reaction None of the listed here Large armature resistance Large leakage reactance Complex effects of armature reaction None of the listed here Large armature resistance Large leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Alternators In huge alternators, the moving part is None of the listed here Armature Brushes Poles None of the listed here Armature Brushes Poles ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Voltage round the coil is reduced Harmonics are introduced Waveform becomes non-sinusoidal None of the listed here Voltage round the coil is reduced Harmonics are introduced Waveform becomes non-sinusoidal None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Unity Lagging Leading Zero Unity Lagging Leading Zero ANSWER DOWNLOAD EXAMIANS APP
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