Question 130Refrigeration & AC - Assistant Engineer
70% to passMoisture in a refrigeration system can cause which of the following conditions?
Acorrosion of system piping
Bfreezing the expansion valve closed
Chermetic motor burnout
Dall of the above
AI Explanation
The correct answer is D) all of the above. Moisture in a refrigeration system can cause: 1) Corrosion of system piping: Moisture can lead to corrosion of metal components in the refrigeration system, including the piping. 2) Freezing the expansion valve closed: Moisture can freeze at the expansion valve, causing it to close and restrict refrigerant flow. 3) Hermetic motor burnout: Moisture can damage the hermetic compressor motor, leading to premature failure. Therefore, the presence of moisture in a refrigeration system can lead to all of the conditions listed in the answer choices.
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