Alternators In an alternator the armature reaction is mainly influenced by 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 Total current drawn ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, for a coil having a span of 2/3 of pole pitch, the coil span factor will be 0.6 0.866 0.2 0.707 0.6 0.866 0.2 0.707 ANSWER DOWNLOAD EXAMIANS APP
Alternators Modern 3-phase alternator of a central power station will have generated voltage of 230 V 11 kV 400 V 132 kV 230 V 11 kV 400 V 132 kV ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. None of the listed here Increases Decreases Remians unchanged None of the listed here Increases Decreases Remians unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Full armature voltage Very low voltage Extra high tension voltage Low voltage Full armature voltage Very low voltage Extra high tension voltage Low voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators A turbo alternator uses ________ Nonsalient pole field structure Rotating ac machine winding Salient pole field structure None of the listed here Nonsalient pole field structure Rotating ac machine winding Salient pole field structure None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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