Single Phase Motors Most of the troubles of single phase induction motors are traceable to the _______ Main winding Shaft bearings Starting switch Rotor bars Main winding Shaft bearings Starting switch Rotor bars ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors If a DC series motor is operated on AC supply, it will Have poor power factor Spark excessively Have poor efficiency All of the listed here Have poor power factor Spark excessively Have poor efficiency All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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 The direction of rotation of shaded pole motor depends on ______ Which half of the pole is shaded Supply frequency Number of poles on the stator Supply voltage Which half of the pole is shaded Supply frequency Number of poles on the stator Supply voltage ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 4 pole, 50 Hz single phase induction motor has a slip of 5% . The speed of the motor will be 1425 rpm None of the listed here 1200 rpm 1500 rpm 1425 rpm None of the listed here 1200 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The single phase series motor can operate on None of the listed here AC only Both AC and DC DC only None of the listed here AC only Both AC and DC DC only ANSWER DOWNLOAD EXAMIANS APP