Alternators Hydrogen is used in large alternators mainly to Cool the machine Reduce eddy current losses Reduce distortion of waveform Strengthen the magnetic field Cool the machine Reduce eddy current losses Reduce distortion of waveform Strengthen the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is decreased None of the listed here Is increased Remains the same Is decreased None of the listed here Is increased Remains the same ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is usually None of the listed here Much higher than that of a power transformer Equal to that of power transformer Much lower than that of power transformer None of the listed here Much higher than that of a power transformer Equal to that of power transformer Much lower than that of power transformer ANSWER DOWNLOAD EXAMIANS APP
Alternators Majority of the alternators are Single phase Three phase Two phase None of the listed here Single phase Three phase Two phase None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same power rating, an alternator is ______that of a dc generator. Of the same size as None of the listed here Smaller in size than Larger in size than Of the same size as None of the listed here Smaller in size than Larger in size than ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to None of the listed here Reduce windage loss Prevenent hunting Achieve synchronism None of the listed here Reduce windage loss Prevenent hunting Achieve synchronism ANSWER DOWNLOAD EXAMIANS APP