Electrical Machines In a resistance split phase motor, what is the range of torque angle? 0° 70° to 85° 90° 25° to 30° 0° 70° to 85° 90° 25° to 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Shaded pole. Capacitor start. Split phase. Capacitor run. Shaded pole. Capacitor start. Split phase. Capacitor run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two single-phase alternators operating in parallel have induced EMFs on open circuit of 230∠0° and 230∠10° volts and respective reactance of j2 Ω j3 Ω calculate the terminal voltage 223.V. 300 V. 200 V. 150 V. 223.V. 300 V. 200 V. 150 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque speed characteristics of a AC servomotor is approximately any of the above parabola linearised hyperbola any of the above parabola linearised hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements: To control the speed of a dc shunt motor above the base speed over a reasonably wide range, the motor must 1. have compensating winding 2. have interpole winding 3. be started using a 3-point starter 4. be started using a 4-point starter Of these statements 1 and 3 are correct 1, 2 and 4 are correct 2 and 4 are correct 1, 2 and 3 are correct 1 and 3 are correct 1, 2 and 4 are correct 2 and 4 are correct 1, 2 and 3 are correct ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward-Leonard system for controlling the speed of a DC motor is used where Very fine speed control over the whole range from zero to normal speed is required. The speed in both the direction is required. The accuracy in speed control is required. All of above. Very fine speed control over the whole range from zero to normal speed is required. The speed in both the direction is required. The accuracy in speed control is required. All of above. ANSWER DOWNLOAD EXAMIANS APP
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