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Single Phase Induction Motors - Interview Questions and Answers

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101. If a single phase induction motor runs slower than normal, the most likely defect is
A. worn bearings
B. short-circuit in the winding
C. open-circuit in the winding
D. none of the above
Explanation:
102. Starting winding of a single phase motor of a refrigerator is disconnected from the circuit by means of a
A. magnetic relay
B. thermal relay
C. centrifugal switch
D. none of the above
Explanation:
103. The capacitors used in single-phase capacitor motors have no
A. voltage rating
B. dielectric medium
C. polarity marking
D. definite value
Explanation:
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