Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ 1500 rpm 750 rpm None of the listed here 1200 rpm 1500 rpm 750 rpm None of the listed here 1200 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed control of universal motor used for sewing machines is by Varying the resistance Tapping the field Friction Centrifugal mechanism Varying the resistance Tapping the field Friction Centrifugal mechanism 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 Split phase method Inductance start method Capacitor start method Resistance start method Split phase method Inductance start method Capacitor start method ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed of a universal motor is generally reduced by using Gear trains Chains Brakes V-belts Gear trains Chains Brakes V-belts ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The capacitor start, capacitor run induction motor acts as a true 2-phase motor at _______ No load Full load All loads Starting No load Full load All loads Starting ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The electric motor used in portable drills is Repulsion motor Hysteresis motor Universal motor Capacitor run motor Repulsion motor Hysteresis motor Universal motor Capacitor run motor ANSWER DOWNLOAD EXAMIANS APP