Electrical Machines The output power of a dc motor is given by EIa. none of these. EbIa2. EbIa. EIa. none of these. EbIa2. EbIa. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Equalizer rings are used in which of the followings? wave winding both 1 and 2 lap winding None of these wave winding both 1 and 2 lap winding None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Short circuiting is caused in the armature winding due to any of above. grounding of two or more turns of the same coil. failure of insulation between two turns of coil. failure of insulation between two commutator bars. any of above. grounding of two or more turns of the same coil. failure of insulation between two turns of coil. failure of insulation between two commutator bars. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines, the interpoles are provided to counteract demagnetizing effect of armature mmf in commutating zone. to counteract the reactance voltage and the cross-magnetizi both (B) and (C). to make commutation spark less. to counteract demagnetizing effect of armature mmf in commutating zone. to counteract the reactance voltage and the cross-magnetizi both (B) and (C). to make commutation spark less. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through none of above. slip rings. solid connection. commutator. none of above. slip rings. solid connection. commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to DOL starting, a cage induction motor with star-delta starting shall have reduced starting current. more starting torque. smoother acceleration. more starting time. reduced starting current. more starting torque. smoother acceleration. more starting time. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS