Electrical Machines Which of the following motors has negative speed regulation? Both B and C. Shunt motors. Series motors. Differential compound motors. Both B and C. Shunt motors. Series motors. Differential compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has got maximum relieving property? Series. Shunt. Cummulative compound. Differentical compound. Series. Shunt. Cummulative compound. Differentical compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results increase in speed. decrease in speed. short circuit. open circuit. increase in speed. decrease in speed. short circuit. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip rings of an induction motors are made of stainless steel. phosphor bronze. carbon. aluminium. stainless steel. phosphor bronze. carbon. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator, when commissioned after a major repair of the field system, failed to build Up voltage. It was because field system lost residual magnetism field winding was wrongly connected field resistance was higher than critical resistance there was a break in the armature circuit field system lost residual magnetism field winding was wrongly connected field resistance was higher than critical resistance there was a break in the armature circuit ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC compound motor the field regulator is provided to demagnetize the field partially. control the field flux. control the armature flux. limit the armature current. demagnetize the field partially. control the field flux. control the armature flux. limit the armature current. ANSWER DOWNLOAD EXAMIANS APP
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