Alternators An under excited alternator supplies _______ Lagging VAR None of the listed here No reactive power Leading VAR Lagging VAR None of the listed here No reactive power Leading VAR ANSWER DOWNLOAD EXAMIANS APP
Alternators In a large generator, dampers Reduce voltage fluctuations None of the listed here Reduce frequency fluctuations Increase stability Reduce voltage fluctuations None of the listed here Reduce frequency fluctuations Increase stability ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 60 Hz 50 Hz 400 Hz 500 Hz 60 Hz 50 Hz 400 Hz 500 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Full armature voltage Extra high tension voltage Low voltage Very low voltage Full armature voltage Extra high tension voltage Low voltage Very low voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Decreasing the field excitation Increasing the speed of prime movers Increasing the field excitation Decreasing the speed of prime movers Decreasing the field excitation Increasing the speed of prime movers Increasing the field excitation Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become One-fourth Twice Half Four times One-fourth Twice Half Four times ANSWER DOWNLOAD EXAMIANS APP
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