Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Unchanged One fourth Half Double Unchanged One fourth Half Double ANSWER DOWNLOAD EXAMIANS APP
Alternators The stator of an alternator is identical to that of a ______ 3-phase induction motor Roserberg generator 1-phase induction motor Dc generator 3-phase induction motor Roserberg generator 1-phase induction motor Dc generator ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator one of the advantages of distribution the winding is to Save on copper None of the listed here Improve voltage wavefrom Reduce noise Save on copper None of the listed here Improve voltage wavefrom Reduce noise ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ None of the listed here Large armature resistance Large leakage reactance Complex effects of armature reaction None of the listed here Large armature resistance Large leakage reactance Complex effects of armature reaction ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ None of the listed here Is decreased Is increased Remains the same None of the listed here Is decreased Is increased Remains the same ANSWER DOWNLOAD EXAMIANS APP
Alternators The power factor of an alternator is determined by its Speed Primemover Excitation Load Speed Primemover Excitation Load ANSWER DOWNLOAD EXAMIANS APP