Alternators Hydrogen is used in large alternators mainly to Reduce distortion of waveform Cool the machine Reduce eddy current losses Strengthen the magnetic field Reduce distortion of waveform Cool the machine Reduce eddy current losses Strengthen the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with Cylindrical rotors None of the listed here Either cylindrical or salient Salient pole rotors Cylindrical rotors None of the listed here Either cylindrical or salient Salient pole rotors ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same power rating, an alternator is ______that of a dc generator. 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 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In aircrafts, alternators have operating frequency of 50 Hz 800 Hz 400 Hz 60 Hz 50 Hz 800 Hz 400 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. Decreases Increases Remians unchanged None of the listed here Decreases Increases Remians unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ Lagging VAR Leading VAR None of the listed here No reactive power Lagging VAR Leading VAR None of the listed here No reactive power ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS