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 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 ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage drop in an alternator when under load is due to ______ All of the listed here Armatute reaction Armature resistance Armature reactance All of the listed here Armatute reaction Armature resistance Armature reactance ANSWER DOWNLOAD EXAMIANS APP
Alternators The rating of an alternator is expressed in______ HP kW kVA kVAR HP kW kVA kVAR ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to Prevenent hunting None of the listed here Reduce windage loss Achieve synchronism Prevenent hunting None of the listed here Reduce windage loss Achieve synchronism ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become One-fourth Four times Twice Half One-fourth Four times Twice Half ANSWER DOWNLOAD EXAMIANS APP
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