Electrical Machines The back emf produced in a dc motor depends on P and Z. Z. none of these. P. P and Z. Z. none of these. P. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two of supply terminals to a 3 - Φ induction motor get interchanged during re-connection after normal maintenance. When switched on the supply, the motor will not start at all. get heated and damaged. rotate in direction opposite to that before maintenance. rotate in the same direction as before maintenance. not start at all. get heated and damaged. rotate in direction opposite to that before maintenance. rotate in the same direction as before maintenance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The induction motor shaft is made of aluminium. cast iron. mild steel. stainless steel. aluminium. cast iron. mild steel. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use Universal motor. DC shunt motor. Partial motor. Slip induction motor. Universal motor. DC shunt motor. Partial motor. Slip induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous motor takes place when power factor is unity. when supply voltage fluctuates. when load varies. motor is under loaded. when power factor is unity. when supply voltage fluctuates. when load varies. motor is under loaded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator can be considered as rectifier. rotating amplifier. power pump. prime mover. rectifier. rotating amplifier. power pump. prime mover. ANSWER DOWNLOAD EXAMIANS APP
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