Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Leading Zero Lagging Unity Leading Zero Lagging Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Very low voltage Low voltage Full armature voltage Extra high tension voltage Very low voltage Low voltage Full armature voltage Extra high tension voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Driving torques of prime movers Phase sequence Field excitation of alternators None of the listed here Driving torques of prime movers Phase sequence Field excitation of alternators None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator one of the advantages of distribution the winding is to Improve voltage wavefrom None of the listed here Reduce noise Save on copper Improve voltage wavefrom None of the listed here Reduce noise Save on copper ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf Remains the same Increases None of the listed here Decreases Remains the same Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become Four times Twice One-fourth Half Four times Twice One-fourth Half ANSWER DOWNLOAD EXAMIANS APP
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