Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. The highest speed of the alternators is 500 rpm. 3000 rpm. 3600 rpm. 600 rpm. 500 rpm. 3000 rpm. 3600 rpm. 600 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. cage. none of these. linear. wound. cage. none of these. linear. wound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature of DC machine is made of conducting material. insulating material. non-ferrous material. silicon steel. conducting material. insulating material. non-ferrous material. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss will depends on f² f1.6 f³ f f² f1.6 f³ f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine, the demagnetizing effect of armature reaction is due to magnetic saturation in half of the field pole uneven air-gap length non-sinusoidal nature of armature mmf component of armature mmf along field axis magnetic saturation in half of the field pole uneven air-gap length non-sinusoidal nature of armature mmf component of armature mmf along field axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The overall power factor of an on load transformer is always unity. depends on the power factor of the load. is always leading. is always lagging. is always unity. depends on the power factor of the load. is always leading. is always lagging. ANSWER DOWNLOAD EXAMIANS APP
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