Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 12 4 8 2 12 4 8 2 ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is usually Equal to that of power transformer Much higher than that of a power transformer Much lower than that of power transformer None of the listed here Equal to that of power transformer Much higher than that of a power transformer Much lower than that of power transformer None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Low speed alternators are driven by ______ None of the listed here Hydraulic turbines Steam engine Steam turbines None of the listed here Hydraulic turbines Steam engine Steam turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 50 Hz 120 Hz None of the listed here 60 Hz 50 Hz 120 Hz None of the listed here 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine Reduce eddy current losses Strengthen the magnetic field Reduce distortion of waveform Cool the machine Reduce eddy current losses Strengthen the magnetic field Reduce distortion of waveform ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of a uniformly distributed winding, the value of distribution factor is 0.85 0.65 0.995 0.76 0.85 0.65 0.995 0.76 ANSWER DOWNLOAD EXAMIANS APP
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