Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ None of the listed here 50 Hz 60 Hz 120 Hz None of the listed here 50 Hz 60 Hz 120 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator depends on Power factor only Both load current and pf None of the listed here Load current only Power factor only Both load current and pf None of the listed here Load current only ANSWER DOWNLOAD EXAMIANS APP
Alternators The stator of an alternator is wound for _______on the rotor. None of the listed here More number of poles than Less number of poles than The same number of poles as None of the listed here More number of poles than Less number of poles than The same number of poles as ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Decreases Increases Remains unchanged None of the listed here Decreases Increases Remains unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Copper losses of an alternator can be measured by Transformer Rectifier None of the listed here Dc motor Transformer Rectifier None of the listed here Dc motor 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
EXAMIANS