Single Phase Motors The full load efficiency of a shaded pole motor is about _______ 70 to 80% 60 to 70% 30 to 35% 5 to 10% 70 to 80% 60 to 70% 30 to 35% 5 to 10% ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Most of the single phase induction motor are _____ machines. 8-pole 6-pole 4-pole 2-pole 8-pole 6-pole 4-pole 2-pole ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If the single phase motor runs hot the probable cause cannot be Low voltage High voltage Shorted stator coils Blown fuse Low voltage High voltage Shorted stator coils Blown fuse ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a shaded pole motor, the direction of rotation is from Main poles to shaded pole Shaded pole to main pole None of the listed here Depends on supply line polarity Main poles to shaded pole Shaded pole to main pole None of the listed here Depends on supply line polarity ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The wattage rating for a ceiling fan motor will be in the range 10 to 20 W 50 to 150 W 250 to 500 W 200 to 250 W 10 to 20 W 50 to 150 W 250 to 500 W 200 to 250 W 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. 3 times The same as 1.5 times 0.33 times 3 times The same as 1.5 times 0.33 times ANSWER DOWNLOAD EXAMIANS APP