Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 1 Hz 50Hz 2HZ 2.5Hz 1 Hz 50Hz 2HZ 2.5Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? None of above. Open slots. Closed slots. Semi closed slots. None of above. Open slots. Closed slots. Semi closed slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer action requires a alternating magnetic lux. increasing magnetic flux. constant magnetic flux. alternating electric flux. alternating magnetic lux. increasing magnetic flux. constant magnetic flux. alternating electric flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is maximum All of these minimum zero maximum All of these minimum zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 1920W 2000W 1820W 1450W 1920W 2000W 1820W 1450W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The oscillation in a synchronous motor can be damped out by oscillation cannot be damped. running the motor on leading power factors. providing damper bars in the rotor pole faces. maintaining constant excitation. oscillation cannot be damped. running the motor on leading power factors. providing damper bars in the rotor pole faces. maintaining constant excitation. ANSWER DOWNLOAD EXAMIANS APP
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