Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ 750 rpm 1200 rpm 1500 rpm None of the listed here 750 rpm 1200 rpm 1500 rpm None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating, the size of a single phase induction motor is about _______ that of the corresponding 3-phase induction motor. The same as 3 times 1.5 times 0.33 times The same as 3 times 1.5 times 0.33 times ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding repulsion-start induction motor is incorrect ? It makes quite a bit of noise on starting In fractional horse power motors, it has replaced the capacitor motors It requires more maintenance of commutator and other mechanical devices It is not easily reversed It makes quite a bit of noise on starting In fractional horse power motors, it has replaced the capacitor motors It requires more maintenance of commutator and other mechanical devices It is not easily reversed ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motor can be used for unity power factor? Scharge motor Capacitor run motor Shaded pole motor Hysteresis motor Scharge motor Capacitor run motor Shaded pole motor Hysteresis motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The single phase shaded pole motor has _____ High starting torque Squirrel cage motor High power factor Wound rotor High starting torque Squirrel cage motor High power factor Wound rotor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The purpose of starting winding in a single phase induction motor is to _____ Produce rotating flux in conjunction with main winding Limit temperature rise of the machine Reduce losses None of the listed here Produce rotating flux in conjunction with main winding Limit temperature rise of the machine Reduce losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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