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 speed of prime movers Increasing the field excitation Decreasing the speed of prime movers Decreasing the field excitation Increasing the speed of prime movers Increasing the field excitation Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Complex effects of armature reaction None of the listed here Large leakage reactance Large armature resistance Complex effects of armature reaction None of the listed here Large leakage reactance Large armature resistance ANSWER DOWNLOAD EXAMIANS APP
Alternators In huge alternators, the moving part is None of the listed here Brushes Armature Poles None of the listed here Brushes Armature Poles 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
Alternators The synchronous reactance of an alternator is due to ______ Dc field excitation Leakage flux None of the listed here Armature reaction Dc field excitation Leakage flux None of the listed here Armature reaction ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is usually Much lower than that of power transformer Much higher than that of a power transformer None of the listed here Equal to that of power transformer Much lower than that of power transformer Much higher than that of a power transformer None of the listed here Equal to that of power transformer ANSWER DOWNLOAD EXAMIANS APP
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