Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ Unity 0.866 lagging 0.5 lagging 0.866 leading Unity 0.866 lagging 0.5 lagging 0.866 leading 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 0.866 0.707 0.6 0.2 0.866 0.707 0.6 0.2 ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to Achieve synchronism None of the listed here Reduce windage loss Prevenent hunting Achieve synchronism None of the listed here Reduce windage loss Prevenent hunting ANSWER DOWNLOAD EXAMIANS APP
Alternators The power factor of an alternator is determined by its Speed Load Excitation Primemover Speed Load Excitation Primemover ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 times smaller than 5 times greater than 5 times smaller than 10 to 100 times greater than 10 times smaller than 5 times greater than 5 times smaller than 10 to 100 times greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Double Unchanged One fourth Half Double Unchanged One fourth Half ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS