Electrical Machines Universal motor have which of the following application? Traction. Lift. Domestic pump. Food mixer. Traction. Lift. Domestic pump. Food mixer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation can be determined by which of the following? All of these ZPF method. Synchronous impedance method. MMf method. All of these ZPF method. Synchronous impedance method. MMf method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has tertiary winding. both shunt and series field winding. only shunt field winding. only series field winding. tertiary winding. both shunt and series field winding. only shunt field winding. only series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 400 V, 50 Hz, 30 Hp, three phase IM is drawing 50 A current at 0.8 p.f lagging. The stator and rotor copper losses are 1.5 KW and 900 W respectively. The friction and windage losses are 1050 W and core losses are 1200 W. The air gap power of the motor will be 26.21 kW. 24.11 kW. 23.06 kW. 25 kW. 26.21 kW. 24.11 kW. 23.06 kW. 25 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The functions of inter poles are nullify reactance voltage and improve the commutation. reduce cross magnetization effect and improve commutation both 1 and 2 None of these nullify reactance voltage and improve the commutation. reduce cross magnetization effect and improve commutation both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If starting current of a 3 - Φ induction motor is 5 times the rated current, while rated slip is 4 %, then ratio of starting torque to full load torque is 0.6. 0.4. 1. 0.8. 0.6. 0.4. 1. 0.8. ANSWER DOWNLOAD EXAMIANS APP
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