Single Phase Motors Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 70 to 80 100 80 to 90 30 to 40 70 to 80 100 80 to 90 30 to 40 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The repulsion start induction run motor is used because of high efficiency good power factor high starting torque minimum cost high efficiency good power factor high starting torque minimum cost ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The wattage rating for a ceiling fan motor will be in the range 50 to 150 W 200 to 250 W 10 to 20 W 250 to 500 W 50 to 150 W 200 to 250 W 10 to 20 W 250 to 500 W ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a repulsion motor, brushes are connected To starting winding To stator winding To the external supply Together by a jumper wire To starting winding To stator winding To the external supply Together by a jumper wire 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 1540 rpm 1279 rpm 1120 rpm 1449 rpm 1540 rpm 1279 rpm 1120 rpm 1449 rpm 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