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 Increasing the field excitation Decreasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers Increasing the field excitation Decreasing the field excitation Increasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators In aircrafts, alternators have operating frequency of 400 Hz 60 Hz 800 Hz 50 Hz 400 Hz 60 Hz 800 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The losses in an alternator are the same as in A rectifier A dc machine None of the listed here A transformer A rectifier A dc machine None of the listed here A transformer ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator the armature reaction is mainly influenced by The power factor of the load Total current drawn Speed of the alternator Short circuit ratio The power factor of the load Total current drawn Speed of the alternator Short circuit ratio ANSWER DOWNLOAD EXAMIANS APP
Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Unity Lagging Zero Leading Unity Lagging Zero Leading ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the armature reaction will be completely magnetizing in case the load power factor is Zero leading 0.866 Zero lagging Unity Zero leading 0.866 Zero lagging Unity ANSWER DOWNLOAD EXAMIANS APP
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