Electrical Machines Armature reaction of an unsaturated DC machine is crossmagnetising. none of above. demagnetising. magnetising. crossmagnetising. none of above. demagnetising. magnetising. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 100/10, 50 VA double winding transformer is converted to 100/110 V auto transformer. The rating of auto transformer is 110 VA 550 VA 100 VA 500 VA 110 VA 550 VA 100 VA 500 VA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has only shunt field winding. only series field winding. both shunt and series field winding. tertiary winding. only shunt field winding. only series field winding. both shunt and series field winding. tertiary winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Sparkless commutation can be achieved by employing compensating winding. any one or more of the above methods. high resistance carbon brushes. inter poles. compensating winding. any one or more of the above methods. high resistance carbon brushes. inter poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the same power output rating and full load speed, the motor will have poorest starting torque, is Series. Shunt. Cummulative compound. Differential compound. Series. Shunt. Cummulative compound. Differential compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is normal speed. zero. more than normal speed. less than normal speed. normal speed. zero. more than normal speed. less than normal speed. ANSWER DOWNLOAD EXAMIANS APP