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