Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 8 4 2 12 8 4 2 12 ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large leakage reactance Complex effects of armature reaction Large armature resistance None of the listed here Large leakage reactance Complex effects of armature reaction Large armature resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine Strengthen the magnetic field Reduce eddy current losses Reduce distortion of waveform Cool the machine Strengthen the magnetic field Reduce eddy current losses Reduce distortion of waveform ANSWER DOWNLOAD EXAMIANS APP
Alternators In a large generator, dampers Increase stability Reduce frequency fluctuations None of the listed here Reduce voltage fluctuations Increase stability Reduce frequency fluctuations None of the listed here Reduce voltage fluctuations ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 2 50 12 4 2 50 12 4 ANSWER DOWNLOAD EXAMIANS APP
Alternators Copper losses of an alternator can be measured by Dc motor Transformer None of the listed here Rectifier Dc motor Transformer None of the listed here Rectifier ANSWER DOWNLOAD EXAMIANS APP
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