Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 20KVA 4KVA 16KVA 0KVA 20KVA 4KVA 16KVA 0KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the ripples in the direct emf generated are reduced by employing carbon brushes. commutator with large number of segments. graphite brushes. equalizer rings. carbon brushes. commutator with large number of segments. graphite brushes. equalizer rings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is reduced, the power factor is None of these unity power factor lagging power factor leading power factor None of these unity power factor lagging power factor leading power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A smaller air gap in a polyphase induction motor helps to reduce the magnetizing current. reduce the chance of cogging. reduce the chance of crawling. increase the starting torque. reduce the magnetizing current. reduce the chance of cogging. reduce the chance of crawling. increase the starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shaded pole single phase induction motor can be used for personal computers as cooling fan food mixers wet grinders tape recorders personal computers as cooling fan food mixers wet grinders tape recorders ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? compensating winding pole chamfering All of these pole stacking compensating winding pole chamfering All of these pole stacking ANSWER DOWNLOAD EXAMIANS APP