Electrical Machines Inter pole winding is connected in-------------------------- ? series with armature parallel with main poles series with main poles parallel with armature series with armature parallel with main poles series with main poles parallel with armature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When excitation is increased (over excitation), the synchronous generator operates at leading power factor. lagging power factor. unity power factor. any of the above. leading power factor. lagging power factor. unity power factor. any of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is employed in DC machine of low current and low voltage rating. high current and low voltage rating. high current and low voltage rating. low current and high voltage rating. low current and low voltage rating. high current and low voltage rating. high current and low voltage rating. low current and high voltage rating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wound rotor type IM is used for____________ speed operation. minimum. variable. constant. maximum. minimum. variable. constant. maximum. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to an induction motor, the air gap in a DC motor is less than 50%. same. between 50% and 90%. more. less than 50%. same. between 50% and 90%. more. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator with a diameter of 50 cm rotating at 1000 rpm. For a brush width of 1.5 cm, find the time of commutation in ms. 0.443. 0.512. 0.649. 0.573. 0.443. 0.512. 0.649. 0.573. ANSWER DOWNLOAD EXAMIANS APP
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