Electrical Machines
Which of the following motor has the highest power factor at full load?

 Capacitor run
 Capacitor start
 Shaded pole
 Resistance split phase

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a dc generator operating on load with its brushes on the geometrical neutral axis (GNA), the magnetic neutral axis (MNA) is shifted in the direction of rotation. Now, if the brushes are given a lead of 90° (electrical), then the MNA will

 shift forward by less than 90°
 coincide with the GNA
 shift forward by 90°
 shift forward by more than 90°

ANSWER DOWNLOAD EXAMIANS APP