Alternators Hydrogen is used in large alternators mainly to Reduce eddy current losses Cool the machine Reduce distortion of waveform Strengthen the magnetic field Reduce eddy current losses Cool the machine Reduce distortion of waveform Strengthen the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 2-pole 4-pole None of the listed here 8-pole 2-pole 4-pole None of the listed here 8-pole ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. About the same as More than Less than None of the listed here About the same as More than Less than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In a large generator, dampers None of the listed here Increase stability Reduce frequency fluctuations Reduce voltage fluctuations None of the listed here Increase stability Reduce frequency fluctuations Reduce voltage fluctuations ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. None of the listed here Decreases Increases Remains unchanged None of the listed here Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of turbo-alternators the rotor is usually made of Forged steel Manganese steel Laminated stainless steel Cast iron Forged steel Manganese steel Laminated stainless steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
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