Single Phase Motors Which of the following motors can be used for unity power factor ? Capacitor run motor Schrage motor Hysteresis motor Shaded pole motor Capacitor run motor Schrage motor Hysteresis motor Shaded pole motor ANSWER DOWNLOAD EXAMIANS APP
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 Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 70 to 80 30 to 40 80 to 90 100 70 to 80 30 to 40 80 to 90 100 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 4-pole , 50 Hz single phase induction motor is running with a slip of 3.4%. The speed of the motor is 1279 rpm 1540 rpm 1449 rpm 1120 rpm 1279 rpm 1540 rpm 1449 rpm 1120 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the fractional horsepower motors have either plain or sleeve bearings ball or roller bearings soft and porous bearings hard and annealed bearings plain or sleeve bearings ball or roller bearings soft and porous bearings hard and annealed bearings 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 start and run slowly not start at all start and run at rated speed start and then stop start and run slowly not start at all ANSWER DOWNLOAD EXAMIANS APP