Electrical Machines If the excitation is increased, the power factor is None of these leading power factor lagging power factor unity power factor None of these leading power factor lagging power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for swing action which motor is preferred? Reluctance motor. AC slip ring IM. DC series motor. Capacitor type induction motors. Reluctance motor. AC slip ring IM. DC series motor. Capacitor type induction motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine windings are None of these either of these full pitched short pitched None of these either of these full pitched short pitched ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. none of these. linear. wound. cage. none of these. linear. wound. cage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on which of the following? Rotor speed. Synchronous speed. Shaft torque. Core loss component. Rotor speed. Synchronous speed. Shaft torque. Core loss component. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor, damper windings are provided on None of these rotor shaft. pole faces. stator frame. None of these rotor shaft. pole faces. stator frame. ANSWER DOWNLOAD EXAMIANS APP