Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ None of the listed here Remains the same Is decreased Is increased None of the listed here Remains the same Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Decreases Remains unchanged Increases None of the listed here Decreases Remains unchanged Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Unchanged Double Half One fourth Unchanged Double Half One fourth ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because We employ automatic voltage regulators None of the listed here It limits the value of short circuit current It reduces the construction cost We employ automatic voltage regulators None of the listed here It limits the value of short circuit current It reduces the construction cost ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 60 Hz 500 Hz 400 Hz 50 Hz 60 Hz 500 Hz 400 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator one of the advantages of distribution the winding is to Reduce noise Improve voltage wavefrom Save on copper None of the listed here Reduce noise Improve voltage wavefrom Save on copper None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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