Alternators Modern 3-phase alternator of a central power station will have generated voltage of 132 kV 11 kV 230 V 400 V 132 kV 11 kV 230 V 400 V ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ Leading VAR Lagging VAR No reactive power None of the listed here Leading VAR Lagging VAR No reactive power None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 8-pole None of the listed here 4-pole 2-pole 8-pole None of the listed here 4-pole 2-pole ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator the armature reaction is mainly influenced by Short circuit ratio Total current drawn The power factor of the load Speed of the alternator Short circuit ratio Total current drawn The power factor of the load Speed of the alternator ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ None of the listed here Waveform becomes non-sinusoidal Voltage round the coil is reduced Harmonics are introduced None of the listed here Waveform becomes non-sinusoidal Voltage round the coil is reduced Harmonics are introduced ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 120 Hz 60 Hz None of the listed here 50 Hz 120 Hz 60 Hz None of the listed here 50 Hz ANSWER DOWNLOAD EXAMIANS APP