Electrical Machines Secondary winding of an auto transformer is also called damping winding. tertiary winding. common winding. compensating winding. damping winding. tertiary winding. common winding. compensating winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For very sensitive and wide speed control, the preferable control method is Armature control. Field control. Multiple voltage control. Ward-Leonard control. Armature control. Field control. Multiple voltage control. Ward-Leonard control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor, the damper winding is generally used to reduce noise level only. prevent hunting and provide the starting torque. reduce the eddy currents. provide starting torque only. reduce noise level only. prevent hunting and provide the starting torque. reduce the eddy currents. provide starting torque only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Inter pole winding is connected in-------------------------- ? series with main poles parallel with armature series with armature parallel with main poles series with main poles parallel with armature series with armature parallel with main poles ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of squirrel cage induction motor is low at heavy loads only both A and B low at rated load only low at light loads only low at heavy loads only both A and B low at rated load only low at light loads only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same phase sequence same frequency same voltage magnitude same prime mover speed same phase sequence same frequency same voltage magnitude same prime mover speed ANSWER DOWNLOAD EXAMIANS APP