Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will get damaged. run in a direction opposite to previous one. continue running in the same direction as before. not run. get damaged. run in a direction opposite to previous one. continue running in the same direction as before. not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For power factor improvement the synchronous motor is to be heavily loaded and underexcited lightly loaded and over excited heavily loaded and over excited lightly loaded and underecited heavily loaded and underexcited lightly loaded and over excited heavily loaded and over excited lightly loaded and underecited ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a 3 - Φ, 4 pole, 50 Hz IM rotating at full load speed of 1440 rpm, calculate speed of rotor field with respect to rotor structure and stator structure respectively? 50, 1500. 60, 1500. 60, 1440. 1440, 1500. 50, 1500. 60, 1500. 60, 1440. 1440, 1500. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to DOL starting, a cage induction motor with star-delta starting shall have more starting time. more starting torque. smoother acceleration. reduced starting current. more starting time. more starting torque. smoother acceleration. reduced starting current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has only shunt field winding. tertiary winding. only series field winding. both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. both shunt and series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the same power output rating and full load speed, the motor will have poorest starting torque, is Cummulative compound. Series. Differential compound. Shunt. Cummulative compound. Series. Differential compound. Shunt. ANSWER DOWNLOAD EXAMIANS APP