Single Phase Motors In repulsion motor, maximum torque is developed when None of these brush axis is at 45° electrical to the field axis brush axis coincides with the field axis brush axis is at 90° electrical to the field axis None of these brush axis is at 45° electrical to the field axis brush axis coincides with the field axis brush axis is at 90° electrical to the field axis ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which motor is normally free from mechanical and magnetic vibrations? Split phase motor Hysteresis motor Universal motor Shaded pole motor Split phase motor Hysteresis motor Universal motor Shaded pole motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ 1200 rpm None of the listed here 1500 rpm 750 rpm 1200 rpm None of the listed here 1500 rpm 750 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following is most economical method of starting a single phase induction motor? Resistance start method Capacitor start method Inductance start method Split phase method Resistance start method Capacitor start method Inductance start method Split phase method ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed of a universal motor is generally reduced by using Chains Gear trains Brakes V-belts Chains Gear trains Brakes V-belts ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The single phase shaded pole motor has _____ High starting torque High power factor Squirrel cage motor Wound rotor High starting torque High power factor Squirrel cage motor Wound rotor ANSWER DOWNLOAD EXAMIANS APP