Electrical Machines A 440 V, 3-phase, 10 pole and 50 HZ synchronous motor delivering a torque of 50 N-m, delivers a power of 100W 500W 3000W 1000W 100W 500W 3000W 1000W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM has a rotor speed of 987 rpm find rotor frequency? 0.70 Hz. 0.75 Hz. 60 Hz. 0.65 Hz. 0.70 Hz. 0.75 Hz. 60 Hz. 0.65 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is unity power factor. leading power factor. lagging power factor. None of these unity power factor. leading power factor. lagging power factor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Drop in speed from no load to full load is very high in Series motor with interpoles. Cummulative compound motor with interpoles. Shunt motor with interpoles. Series motor without interpoles. Series motor with interpoles. Cummulative compound motor with interpoles. Shunt motor with interpoles. Series motor without interpoles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward-Leonard system for controlling the speed of a DC motor is used where 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cross magnetization effects which of the following? commutation reduction in main field flux reduces the terminal voltage both 2 and 3 commutation reduction in main field flux reduces the terminal voltage both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP