Alternators A turbo alternator uses ________ Nonsalient pole field structure None of the listed here Salient pole field structure Rotating ac machine winding Nonsalient pole field structure None of the listed here Salient pole field structure Rotating ac machine winding ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ None of the listed here 120 Hz 50 Hz 60 Hz None of the listed here 120 Hz 50 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Decreases Remains unchanged Increases None of the listed here Decreases Remains unchanged Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ Unity 0.5 lagging 0.866 leading 0.866 lagging Unity 0.5 lagging 0.866 leading 0.866 lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ 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 Voltage round the coil is reduced Harmonics are introduced ANSWER DOWNLOAD EXAMIANS APP
Alternators The power factor of an alternator is determined by its Primemover Speed Load Excitation Primemover Speed Load Excitation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS