Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.5 lagging 0.866 lagging Unity 0.866 leading 0.5 lagging 0.866 lagging Unity 0.866 leading ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Increases None of the listed here Decreases Remains unchanged Increases None of the listed here Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1000 rpm None of the listed here 1500 rpm 500 rpm 1000 rpm None of the listed here 1500 rpm 500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators In a large generator, dampers Reduce voltage fluctuations Reduce frequency fluctuations None of the listed here Increase stability Reduce voltage fluctuations Reduce frequency fluctuations None of the listed here Increase stability ANSWER DOWNLOAD EXAMIANS APP
Alternators The power factor of an alternator is determined by its Speed Primemover Excitation Load Speed Primemover Excitation Load ANSWER DOWNLOAD EXAMIANS APP
Alternators In a cylindrical rotor how much portion of the rotor is wound? Two third One third Half Full Two third One third Half Full ANSWER DOWNLOAD EXAMIANS APP