Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 lagging 0.866 leading 0.5 lagging Unity 0.866 lagging 0.866 leading 0.5 lagging Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ No reactive power Leading VAR Lagging VAR None of the listed here No reactive power Leading VAR Lagging VAR None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to Reduce windage loss Prevenent hunting None of the listed here Achieve synchronism Reduce windage loss Prevenent hunting None of the listed here Achieve synchronism ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of a salient pole machine is nearly 1000 rpm 500 rpm 3000 rpm 1500 rpm 1000 rpm 500 rpm 3000 rpm 1500 rpm 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 An alternator coupled to which primemover will usually have the highest rotating speed? Francis turbine Steam turbine Steam engine Reciprocating diesel engine Francis turbine Steam turbine Steam engine Reciprocating diesel engine ANSWER DOWNLOAD EXAMIANS APP
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