Electrical Machines Armature reaction depends on which of the following? both 1 and 2 power factor of load None of these magnitude of load current both 1 and 2 power factor of load None of these magnitude of load current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the brushes remain in contact with conductors which there is no hard and fast rule for this. lie in the inter polar gaps. lie under north pole. lie under south pole. there is no hard and fast rule for this. lie in the inter polar gaps. lie under north pole. lie under south pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on load angle both 1and 2 reactance voltage load angle both 1and 2 reactance voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor must started on no load because it would Not develop starting torque. Run at dangerously high speed. Fail to start without load. Draw more current without producing sufficient torque. Not develop starting torque. Run at dangerously high speed. Fail to start without load. Draw more current without producing sufficient torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When excitation is increased (over excitation), the synchronous generator operates at leading power factor. unity power factor. any of the above. lagging power factor. leading power factor. unity power factor. any of the above. lagging power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, the reluctance power varies as cos2δ cosδ sin2δ sinδ cos2δ cosδ sin2δ sinδ ANSWER DOWNLOAD EXAMIANS APP
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