Electrical Machines The slot edges in a DC machine are made of Mild steel. Silicon steel. Cast iron. Fibre. Mild steel. Silicon steel. Cast iron. Fibre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A smaller air gap in a polyphase induction motor helps to 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. reduce the magnetizing current. reduce the chance of cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging and crawling are phenomena associated with any of the above. the former at a fraction of its rate speed and the latter during starting. the former during starting and the latter at a fraction of its rated speed. cage induction machines and they are essentially the same. any of the above. the former at a fraction of its rate speed and the latter during starting. the former during starting and the latter at a fraction of its rated speed. cage induction machines and they are essentially the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC compound motor can be reversed by interchanging shunt field connections. armature or field connections. series field connections. armature connections. shunt field connections. armature or field connections. series field connections. armature connections. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Secondary winding of an auto transformer is also called compensating winding. common winding. damping winding. tertiary winding. compensating winding. common winding. damping winding. tertiary winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip test is performed to determine slip positive sequence reactance and negative sequence reactance All of these direct axis reactance and quadrature axis reactance slip positive sequence reactance and negative sequence reactance All of these direct axis reactance and quadrature axis reactance ANSWER DOWNLOAD EXAMIANS APP