Alternators Damper windings are used in alternators to Achieve synchronism Prevenent hunting None of the listed here Reduce windage loss Achieve synchronism Prevenent hunting None of the listed here Reduce windage loss ANSWER DOWNLOAD EXAMIANS APP
Alternators The losses in an alternator are the same as in None of the listed here A transformer A rectifier A dc machine None of the listed here A transformer A rectifier A dc machine ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Strengthen the magnetic field 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 ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same power rating, an alternator is ______that of a dc generator. Larger in size than Smaller in size than Of the same size as None of the listed here Larger in size than Smaller in size than Of the same size as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Double Unchanged Half One fourth Double Unchanged Half One fourth ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 2 12 8 4 2 12 8 4 ANSWER DOWNLOAD EXAMIANS APP
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