Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ Unity 0.866 leading 0.5 lagging 0.866 lagging Unity 0.866 leading 0.5 lagging 0.866 lagging 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 0.707 0.2 0.6 0.866 0.707 0.2 ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 60 Hz 500 Hz 400 Hz 50 Hz 60 Hz 500 Hz 400 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Low voltage Full armature voltage Very low voltage Extra high tension voltage Low voltage Full armature voltage Very low voltage Extra high tension voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with Either cylindrical or salient Salient pole rotors Cylindrical rotors None of the listed here Either cylindrical or salient Salient pole rotors Cylindrical rotors None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternator are generally used to run at 5000 rpm 3000 rpm 15000 rpm 1500 rpm 5000 rpm 3000 rpm 15000 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
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