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A refrigerator compressor motor is usually of the

  • A.capacitor start type
  • B.shaded pole type
  • C.universal type
  • D.repulsion type

Answer: A

Correct answer: capacitor start type

A compressor must start against the pressure remaining in the system, so a high starting torque is essential, and the capacitor start arrangement gives the largest starting torque of the common single-phase types. The motor is sealed inside the compressor housing, which is why its reliability matters so much.

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