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 Which of the following applications would need the smallest size of motor? Electric clock Table fan Sewing machine Domestic mixi Electric clock Table fan Sewing machine Domestic mixi ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which motor has unsymmetrical rotor? Universal motor Shaded pole motor Reluctance motor Split phase motor Universal motor Shaded pole motor Reluctance motor Split phase motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed control of universal motor used for sewing machines is by Centrifugal mechanism Tapping the field Friction Varying the resistance Centrifugal mechanism Tapping the field Friction Varying the resistance ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors When a universal motor is operated on no load, its speed is limited by Weight of the armature Supply voltage frequency Windage and friction Armature reaction Weight of the armature Supply voltage frequency Windage and friction Armature reaction ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A capacitor-start single phase induction motor is switched on to supply with its capa-citor replaced by an inductor of equivalent reactance value. It will start and run at rated speed start and then stop not start at all start and run slowly start and run at rated speed start and then stop not start at all start and run slowly ANSWER DOWNLOAD EXAMIANS APP