Electrical Machines _____________ types of induction motor are widely used. Single phase IM. Squirrel cage IM. Three phase IM. Slip ring IM. Single phase IM. Squirrel cage IM. Three phase IM. Slip ring IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For successful parallel operation of two single phase transformers, the most essential condition is that their KVA ratings are equal polarities are properly connected turn- ratios are exactly equal percentage impedances are equal KVA ratings are equal polarities are properly connected turn- ratios are exactly equal percentage impedances are equal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor Increase. Decrease. None of these. Remains same. Increase. Decrease. None of these. Remains same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? Compensating winding will act under the pole. Inter pole winding will act in interpolar region. Both A and B. None of these Compensating winding will act under the pole. Inter pole winding will act in interpolar region. Both A and B. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breather is provided in a transformer to filter the transformer oil. absorb moisture of air during breathing. absorb moisture from air entering in transformer. provide cold air in transformer. filter the transformer oil. absorb moisture of air during breathing. absorb moisture from air entering in transformer. provide cold air in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to an induction motor, the air gap in a DC motor is more. between 50% and 90%. less than 50%. same. more. between 50% and 90%. less than 50%. same. ANSWER DOWNLOAD EXAMIANS APP
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