Electrical Machines Hysteresis loop represents the area of copper loss eddy current loss hysteresis loss total iron losses copper loss eddy current loss hysteresis loss total iron losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Neglecting all losses, the developed torque (T) of DC separately excited motor, operating under constant terminal voltage is reduced to its output power (P) as T is independent of P. T ∝ √P. T ∝ P. T2 ∝ P3. T is independent of P. T ∝ √P. T ∝ P. T2 ∝ P3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a resistance split phase motor, what is the range of torque angle? 70° to 85° 90° 0° 25° to 30° 70° to 85° 90° 0° 25° to 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? both 1 and 2 rotor reactance X None of these rotor resistance R both 1 and 2 rotor reactance X None of these rotor resistance R ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A motor operates in stable region at which of the following slip? high slip region low slip region unity slip both 1 and 2 high slip region low slip region unity slip both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a 3-phase, 4 pole, 50 Hz synchronous motor the frequency, pole number and the frequency are halved. The motor speed will be 375 rpm 75 rpm 1500 rpm 3000 rpm 375 rpm 75 rpm 1500 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
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