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 field excitation Decreasing the speed of prime movers Increasing the field excitation Increasing the speed of prime movers Decreasing the field excitation Decreasing 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 Armature reactance Armature resistance Armatute reaction All of the listed here Armature reactance Armature resistance Armatute reaction ANSWER DOWNLOAD EXAMIANS APP
Alternators The rating of an alternator is expressed in______ kW kVA HP kVAR kW kVA HP kVAR ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to Achieve synchronism None of the listed here Reduce windage loss Prevenent hunting Achieve synchronism None of the listed here Reduce windage loss Prevenent hunting 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