Alternators In an alternator, the armature reaction will be completely magnetizing in case the load power factor is 0.866 Zero lagging Unity Zero leading 0.866 Zero lagging Unity Zero leading ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is usually None of the listed here Much higher than that of a power transformer Equal to that of power transformer Much lower than that of power transformer None of the listed here Much higher than that of a power transformer Equal to that of power transformer Much lower than that of power transformer ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 120 Hz 60 Hz None of the listed here 50 Hz 120 Hz 60 Hz None of the listed here 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with Salient pole rotors Cylindrical rotors Either cylindrical or salient None of the listed here Salient pole rotors Cylindrical rotors Either cylindrical or salient None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is increased Is decreased Remains the same None of the listed here Is increased Is decreased Remains the same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large armature resistance None of the listed here Large leakage reactance Complex effects of armature reaction Large armature resistance None of the listed here Large leakage reactance Complex effects of armature reaction ANSWER DOWNLOAD EXAMIANS APP
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