Alternators The efficiency of the turbo-alternator _____ with increases in speed. Remians unchanged Increases None of the listed here Decreases Remians unchanged Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 2-pole 8-pole None of the listed here 4-pole 2-pole 8-pole None of the listed here 4-pole ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine Reduce distortion of waveform Strengthen the magnetic field Reduce eddy current losses Cool the machine Reduce distortion of waveform Strengthen the magnetic field Reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Alternators Modern 3-phase alternator of a central power station will have generated voltage of 132 kV 11 kV 400 V 230 V 132 kV 11 kV 400 V 230 V ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 2 4 12 8 2 4 12 8 ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the armature reaction will be completely magnetizing in case the load power factor is Unity Zero leading Zero lagging 0.866 Unity Zero leading Zero lagging 0.866 ANSWER DOWNLOAD EXAMIANS APP
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