Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Increasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Decreasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage drop in an alternator when under load is due to ______ Armature resistance Armatute reaction Armature reactance All of the listed here Armature resistance Armatute reaction Armature reactance All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The rating of an alternator is expressed in______ HP kVAR kW kVA HP kVAR kW kVA ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to Reduce windage loss Achieve synchronism None of the listed here Prevenent hunting Reduce windage loss Achieve synchronism None of the listed here Prevenent hunting ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become Half One-fourth Twice Four times Half One-fourth Twice Four times ANSWER DOWNLOAD EXAMIANS APP