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 is not easily reversed It makes quite a bit of noise on starting In fractional horse power motors, it has replaced the capacitor motors It requires more maintenance of commutator and other mechanical devices It is not easily reversed It makes quite a bit of noise on starting In fractional horse power motors, it has replaced the capacitor motors ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a universal motor, the most common cause of brush sparking is all of these open armature winding high commutator mica shorted field winding? all of these open armature winding high commutator mica shorted field 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. 4 to 5 times Equal to 8 to 10 times 7 to 8 times 4 to 5 times Equal to 8 to 10 times 7 to 8 times ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In repulsion motor, maximum torque is developed when brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis brush axis coincides with the field axis None of these brush axis is at 90° electrical to the field axis brush axis is at 45° electrical to the field axis brush axis coincides with the field axis None of these ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The single phase series motor can operate on AC only Both AC and DC None of the listed here DC only AC only Both AC and DC None of the listed here DC only 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 1449 rpm 1279 rpm 1120 rpm 1540 rpm 1449 rpm 1279 rpm 1120 rpm 1540 rpm ANSWER DOWNLOAD EXAMIANS APP