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