Alternators In an alternator, the armature reaction will be completely magnetizing in case the load power factor is 0.866 Zero lagging Zero leading Unity 0.866 Zero lagging Zero leading Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator the armature reaction is mainly influenced by Total current drawn The power factor of the load Speed of the alternator Short circuit ratio Total current drawn The power factor of the load Speed of the alternator Short circuit ratio ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to None of the listed here Achieve synchronism Prevenent hunting Reduce windage loss None of the listed here Achieve synchronism Prevenent hunting Reduce windage loss ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 4-pole 8-pole None of the listed here 2-pole 4-pole 8-pole None of the listed here 2-pole ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Decreases Increases None of the listed here Remains unchanged Decreases Increases None of the listed here Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is usually None of the listed here Much lower than that of power transformer Equal to that of power transformer Much higher than that of a power transformer None of the listed here Much lower than that of power transformer Equal to that of power transformer Much higher than that of a power transformer ANSWER DOWNLOAD EXAMIANS APP