Alternators Hydrogen is used in large alternators mainly to Strengthen the magnetic field 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 ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. Smaller than Greater than The same as None of the listed here Smaller than Greater than The same as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. None of the listed here 4-pole 2-pole 8-pole None of the listed here 4-pole 2-pole 8-pole ANSWER DOWNLOAD EXAMIANS APP
Alternators The losses in an alternator are the same as in A transformer None of the listed here A dc machine A rectifier A transformer None of the listed here A dc machine A rectifier ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ None of the listed here 1500 rpm 1000 rpm 500 rpm None of the listed here 1500 rpm 1000 rpm 500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators A turbo alternator uses ________ Nonsalient pole field structure Rotating ac machine winding None of the listed here Salient pole field structure Nonsalient pole field structure Rotating ac machine winding None of the listed here Salient pole field structure ANSWER DOWNLOAD EXAMIANS APP
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