Electrical Machines Capacitor start capacitor run provides none. high power factor only. high staring torque and high power factor. high staring torque only. none. high power factor only. high staring torque and high power factor. high staring torque only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulation method is accurate ? American standard association method ZPF method MMf method Synchronous impedance method American standard association method ZPF method MMf method Synchronous impedance method ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short circuit test on a transformer gives copper loss at full load. copper loss at any load. copper loss at over load. copper loss at half load. copper loss at full load. copper loss at any load. copper loss at over load. copper loss at half load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following methods are suitable for the speed control of squirrel cage induction motor? 1. Voltage control. 2. Frequency control. 3. Pole changing method. 4. Rotor resistance control select the correct answer using the codes given below:- 2 and 4. 1, 2 and 3. 2, 3 and 4. 1, 3 and 4. 2 and 4. 1, 2 and 3. 2, 3 and 4. 1, 3 and 4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines CRGO steel is used in the core of transformer to reduce both eddy current and hysteresis loss. hysteresis loss. ohmic loss. eddy current loss. both eddy current and hysteresis loss. hysteresis loss. ohmic loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: pole core. under the interpole. under trailing pole tip. under leading pole tip. pole core. under the interpole. under trailing pole tip. under leading pole tip. ANSWER DOWNLOAD EXAMIANS APP
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