Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ None of the listed here 1500 rpm 1200 rpm 750 rpm None of the listed here 1500 rpm 1200 rpm 750 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The motor used for the compressors is c. series motor shaded pole motor capacitor-start capacitor-run motor reluctance motor c. series motor shaded pole motor capacitor-start capacitor-run motor reluctance motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding hysteresis motor is in incorrect ? It is extremely sensitive to fluctuations in supply voltage It is extremely quiet in operation Its high starting torque is due to its high rotor hysteresis loss It accelerates from rest to full-speed almost instantaneously It is extremely sensitive to fluctuations in supply voltage It is extremely quiet in operation Its high starting torque is due to its high rotor hysteresis loss It accelerates from rest to full-speed almost instantaneously ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed control of universal motor used for sewing machines is by Varying the resistance Centrifugal mechanism Friction Tapping the field Varying the resistance Centrifugal mechanism Friction Tapping the field ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a particular application needs high speed and high starting torque, then which of the following motor will bepreferred ? Shaded pole type motor Universal motor Capacitor start motor Capacitor start and run motor Shaded pole type motor Universal motor Capacitor start motor Capacitor start and run motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motor can be used for unity power factor? Shaded pole motor Capacitor run motor Scharge motor Hysteresis motor Shaded pole motor Capacitor run motor Scharge motor Hysteresis motor ANSWER DOWNLOAD EXAMIANS APP