Alternators Excessive windage loss and noise occur with Either cylindrical or salient Salient pole rotors None of the listed here Cylindrical rotors Either cylindrical or salient Salient pole rotors None of the listed here Cylindrical rotors ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the armature reaction will be completely magnetizing in case the load power factor is 0.866 Unity Zero lagging Zero leading 0.866 Unity Zero lagging Zero leading ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Increasing the speed of prime movers Decreasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers Decreasing the field excitation Increasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf None of the listed here Decreases Increases Remains the same None of the listed here Decreases Increases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Alternators A 3 phase alternator has 3-slot per pole. The distribution factor of the winding is _______ 0.866 0.5 1 None of the listed here 0.866 0.5 1 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become One fourth Double Unchanged Half One fourth Double Unchanged Half ANSWER DOWNLOAD EXAMIANS APP