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Single Phase Induction Motors - Interview Questions and Answers

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86. A shaded pole motor does not possess
A. centrifugal switch
B. capacitor
C. commutator
D. all of the above
Explanation:
87. Which of the following motors has two separate windings on the motor ?
A. Repulsion motor
B. Repulsion induction motor
C. Repulsion start induction run motor
D. None of the above
Explanation:
88. In a A.C. series motor armature coils are usually connected to commutator
A. through resistance
B. through reactances
C. through capacitors
D. solidly
Explanation:
89. 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
Explanation:
90. Which of the following statements regarding reluctance-start motor is incorrect ?
A. It is similar to reluctance motor
B. It is basically an induction motor and not a synchronous one
C. So far as its basic working principle is concerned, it is similar to shaded pole motor
D. the air-gap between rotor and salient poles is non- uniform
Explanation:
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