What problem does moisture cause in a freon refrigeration system?

Refrigeration and Air Conditioning MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Refrigeration and Air Conditioningmechanical-engineering-mcqs › refrigeration-and-air-conditioning
Published
25 Jan 2019
Last updated
28 May 2026

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Explanation

Moisture in a freon refrigeration system primarily leads to the freezing of the automatic expansion valve, which can disrupt the system's operation. While moisture can also cause other issues like corrosion or reduced efficiency, the freezing of the valve is the most direct and critical problem.

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