Single Phase Motors A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______ None of the listed here 750 rpm 1500 rpm 1200 rpm None of the listed here 750 rpm 1500 rpm 1200 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating , the single phase induction motor is _______ that of 3-phase induction motor. More than None of the listed here Less than The same as More than None of the listed here Less than The same as ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 70 to 80 80 to 90 30 to 40 100 70 to 80 80 to 90 30 to 40 100 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding single-phase induction motoris correct ? It can rotate in one direction only It is self-starting It is not self-starting It requires only one winding It can rotate in one direction only It is self-starting It is not self-starting It requires only one winding ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors At starting, the line current of a capacitor start induction motor is ______ the normal full load current. 8 to 10 times 4 to 5 times 7 to 8 times Equal to 8 to 10 times 4 to 5 times 7 to 8 times Equal to ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding repulsion-start induction motor is incorrect ? It requires more maintenance of commutator and other mechanical devices It makes quite a bit of noise on starting In fractional horse power motors, it has replaced the capacitor motors It is not easily reversed It requires more maintenance of commutator and other mechanical devices It makes quite a bit of noise on starting In fractional horse power motors, it has replaced the capacitor motors It is not easily reversed ANSWER DOWNLOAD EXAMIANS APP