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Electrical Engineering Objective Questions { Induction Motors }



260.  Which of the following motors is generally used in toys?
A. Reluctance motor
B. Hysteresis motor
C. Shaded-pole motor
D. Two-value capacitor motor
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261. Reluctance motors are
A. singly excited
B. doubly excited
C. either of the above
D. none of the above
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262.  Which of the following motors is generally used for electric shavers?
A. Universal motor
B. Shaded-pole motor
C. Reluctance motor
D. Hysteresis motor
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263.  The rotor of which motor does not have winding on it?
A. Repulsion motor
B. Universal motor
C. Reluctance motor
D. Hysteresis motor
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264.  Which motor will make least noise?
A. Hysteresis motor
B. Capacitor motor
C. Shaded-pole motor
D. Universal motor
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265. Which motor is relatively free from mechanical and magnetic vibrations?
A. Shaded-pole motor
B. Universal motor Reluctance motor
C. Hysteresis motor
D. none of the above
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266. A single-phase capacitor-start motor will take starting current nearly
A. four to six times the full load current
B. three times the full load current
C. twice the full load current
D. same as full load current
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