A. It requires only one winding
B. It can rotate in one direction only
C. It is self-starting
D. It is not self-starting
Related Mcqs:
- Which of the following single-phase induction motors is generally used in time phonographs ?
A. Resistance start
B. Capacitor start capacitor run
C. Shaded pole
D. Universal - Which of the following single-phase motors is suitable for timing and control purposes ?
A. Reluctance motor
B. Series motor
C. Repulsion motor
D. Universal motor - Which of the following single-phase motors has relatively poor starting torque ?
A. Universal motor
B. Repulsion motor
C. Capacitor motor
D. All single phase motors have zero starting torque - Which of the following statements regarding repulsion-start induction motor is incorrect ?
A. It requires more maintenance of commutator and other mechanical devices
B. It makes quite a bit of noise on starting
C. In fractional horse power motors, it has replaced the capacitor motors
D. It is not easily reversed - The capacitors used in single-phase capacitor motors have no__________?
A. voltage rating
B. dielectric medium
C. polarity marking
D. definite value - The power factor of a single-phase induction motor is usually?
A. lagging
B. always leading
C. unity
D. unity to 0.8 leading - A single-phase induction motor is__________?
A. inherently self-starting with high torque
B. inherently self-starting with low torque
C. inherently non-self-starting with low torque
D. inherently non-self-starting with high torque - Single phase induction motor usually operates on__________?
A. 0.6 power factor lagging
B. 0.8 power factor lagging
C. 0.8 power factor leading
D. unity power factor - Torque developed by a single phase induction motor at starting is_____________?
A. pulsating
B. uniform
C. none of the above
D. nil - If starting winding of a single-phase induction motor is left in the circuit, it will____________?
A. run faster
B. spark at light loads
C. draw excessive current and overheat
D. run slower
