Alternators In air-crafts, alternators have operating frequency of 60 Hz 400 Hz 50 Hz 500 Hz 60 Hz 400 Hz 50 Hz 500 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with Either cylindrical or salient None of the listed here Salient pole rotors Cylindrical rotors Either cylindrical or salient None of the listed here Salient pole rotors Cylindrical rotors ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same power rating, an alternator is ______that of a dc generator. None of the listed here Larger in size than Of the same size as Smaller in size than None of the listed here Larger in size than Of the same size as Smaller in size than 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
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. Greater than Smaller than None of the listed here The same as Greater than Smaller than None of the listed here The same as ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf Remains the same Increases None of the listed here Decreases Remains the same Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP