Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Pf becomes more lagging None of the listed here Pf becomes more leading Output kW will change Pf becomes more lagging None of the listed here Pf becomes more leading Output kW will change ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf None of the listed here Remains the same Decreases Increases None of the listed here Remains the same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Alternators The alternators driven by _______ do not have a tendency to hunt. None of the listed here Steam turbines Diesel engines Water turbines None of the listed here Steam turbines Diesel engines Water turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators are generally used to run at 5000 rpm 1500 rpm 1500 rpm 3000 rpm 5000 rpm 1500 rpm 1500 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 50 Hz 60 Hz 400 Hz 500 Hz 50 Hz 60 Hz 400 Hz 500 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 lagging Unity 0.866 leading 0.5 lagging 0.866 lagging Unity 0.866 leading 0.5 lagging ANSWER DOWNLOAD EXAMIANS APP