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Chapter 5 SINGLE PHASE MOTORS MCQs

1. . Single phase motor has ________ supply.

(A) Any of above


(B) Two phase


(C) Three phase


(D) Single phase




2. . _________ is the rotating part of single phase motors.

(A) Stator


(B) Rotor


(C) Armature


(D) Coil




3. . Starting winding is placed on ________ of single-phase motor.

(A) Rotor


(B) Stator


(C) Armature


(D) Field coils




4. . Single phase motor is categorized by _________

(A) Construction


(B) Starting method


(C) a & b


(D) Size




5. . Single phase __________

(A) Is not self-starting


(B) Self-starting


(C) Any of above


(D) None




6. . Split phase motor has ________ between the stator windings.

(A) 90º


(B) 30º


(C) 120º


(D) 180º




7. . There are _________ stator windings of split phase motor.

(A) Three


(B) Two


(C) Both a & b


(D) None of above




8. . Shaded pole motor has _________

(A) Low starting torque


(B) Low efficiency


(C) Low over load capacity


(D) All of above




9. . Shaded pole motors are not ________

(A) High cost


(B) Low efficiency


(C) Low starting torque


(D) All of above




10. . Shaded pole motors are used in _________

(A) Toys


(B) All


(C) Hair Dryers


(D) Instruments




11. . _________ motors also called permanent split capacitor.

(A) Capacitor start


(B) Capacitor start-run


(C) Capacitor run


(D) Split phase




12. . Main winding of split phase motor has _________ resistance.

(A) Low


(B) High


(C) Constant


(D) Varying




13. . _________ winding of split phase motor has high resistance.

(A) Main


(B) Field


(C) Rotor


(D) Starting




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