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Single Phase Induction Motors - Interview Questions and Answers

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21. In a capacitor start motor, the phase displacement between starting and running winding can be nearly
A. 10�
B. 30�
C. 60�
D. 90�
Explanation:
22. In a capacitor start single-phase motor, when capacitor is replaced by a resistance
A. torque will increase
B. the motor will consume less power
C. motor will run in reverse direction
D. motor will continue to run in same direction
Explanation:
23. Which of the following motors can be run on AC. as well as D.C. supply ?
A. Universal motor
B. Repulsion motor
C. Synchronous motor
D. Reluctance motor
Explanation:
24. Which of the following motors will operate at high power factor ?
A. Shaped pole motor
B. Split phase motor
C. Capacitor start motor
D. Capacitor run motor
Explanation:
25. In split-phase motor iauxiliary winding is of
A. thick wire placed at the bottom of the slots
B. thick wire placed at the top of the slots
C. thin wire placed at the top of the slots
D. thin wire placed at the bottom of the slots
Explanation:
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