Alternators The power factor of an alternator is determined by its Speed Excitation Load Primemover Speed Excitation Load Primemover ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Double One fourth Unchanged Half Double One fourth Unchanged Half ANSWER DOWNLOAD EXAMIANS APP
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 Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become Four times One-fourth Twice Half Four times One-fourth Twice Half ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on Both rotative speed and number of poles None of the listed here Number of poles only Rotative speed only Both rotative speed and number of poles None of the listed here Number of poles only Rotative speed only ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 4-pole 8-pole 2-pole None of the listed here 4-pole 8-pole 2-pole None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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