Single Phase Motors The wattage rating for a ceiling fan motor will be in the range 50 to 150 W 10 to 20 W 250 to 500 W 200 to 250 W 50 to 150 W 10 to 20 W 250 to 500 W 200 to 250 W ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating, the efficiency of a single phase induction motor is _______ that of 3-phase induction motor. The same as None of the listed here Less than More than The same as None of the listed here Less than More than ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it improves the efficiency improves the power factor helps in reducing the tendency of the rotor teeth to remain under the stator teeth helps the rotor teeth to remain under the stator teeth improves the efficiency improves the power factor helps in reducing the tendency of the rotor teeth to remain under the stator teeth helps the rotor teeth to remain under the stator teeth ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following is most economical method of starting a single phase induction motor? Resistance start method Inductance start method Split phase method Capacitor start method Resistance start method Inductance start method Split phase method Capacitor start method ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a split phase induction motor, the two stator windings Draw only the in phase currents Have equal R/XL ratio Are mutually displaced by 90° electrical Draw equal current Draw only the in phase currents Have equal R/XL ratio Are mutually displaced by 90° electrical Draw equal current ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If the single phase motor runs hot the probable cause cannot be Shorted stator coils Blown fuse Low voltage High voltage Shorted stator coils Blown fuse Low voltage High voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS