Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ None of the listed here Large leakage reactance Complex effects of armature reaction Large armature resistance None of the listed here Large leakage reactance Complex effects of armature reaction Large armature resistance 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 speed of prime movers Decreasing the field excitation Increasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Increasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ None of the listed here 1000 rpm 500 rpm 1500 rpm None of the listed here 1000 rpm 500 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 500 Hz 60 Hz 400 Hz 50 Hz 500 Hz 60 Hz 400 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The rating of an alternator is expressed in______ kVA kW HP kVAR kVA kW HP kVAR ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is decreased Remains the same Is increased None of the listed here Is decreased Remains the same Is increased None of the listed here ANSWER DOWNLOAD EXAMIANS APP