Single Phase Motors If a DC series motor is operated on AC supply, it will Spark excessively Have poor efficiency All of the listed here Have poor power factor Spark excessively Have poor efficiency All of the listed here Have poor power factor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The direction of rotation of shaded pole motor depends on ______ Number of poles on the stator Supply frequency Supply voltage Which half of the pole is shaded Number of poles on the stator Supply frequency Supply voltage Which half of the pole is shaded 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 1500 rpm None of the listed here 1200 rpm 1425 rpm 1500 rpm None of the listed here 1200 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding repulsion-start induction motor is incorrect ? In fractional horse power motors, it has replaced the capacitor motors It makes quite a bit of noise on starting It is not easily reversed It requires more maintenance of commutator and other mechanical devices In fractional horse power motors, it has replaced the capacitor motors It makes quite a bit of noise on starting It is not easily reversed It requires more maintenance of commutator and other mechanical devices ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following statements regarding hysteresis motor is in incorrect ? It accelerates from rest to full-speed almost instantaneously It is extremely quiet in operation It is extremely sensitive to fluctuations in supply voltage Its high starting torque is due to its high rotor hysteresis loss It accelerates from rest to full-speed almost instantaneously It is extremely quiet in operation It is extremely sensitive to fluctuations in supply voltage Its high starting torque is due to its high rotor hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which motor has unsymmetrical rotor? Universal motor Split phase motor Reluctance motor Shaded pole motor Universal motor Split phase motor Reluctance motor Shaded pole motor ANSWER DOWNLOAD EXAMIANS APP
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