Type II High Pressure Equipment Certification Practice Test

Question: 1 / 400

What happens to moisture in a refrigeration system if R-22 is charged at a low temperature?

It evaporates quickly

It remains unaffected

It freezes

When R-22 is charged into a refrigeration system at a low temperature, the moisture present in the system can indeed freeze. This occurs because lower temperatures can cause water, which is normally in vapor form in the presence of heat, to change states into solid ice.

In refrigeration systems, moisture can be introduced through various means, such as leaks or improper handling during maintenance. If the refrigerant is introduced while the system is at a low temperature, the refrigerant will be deficient in thermal energy, resulting in an environment where moisture cannot remain in a vapor form. Consequently, this moisture will freeze, potentially leading to blockages in the system or other operational issues.

Maintaining proper temperatures when charging refrigerants is crucial to prevent this issue. Moreover, properly handling moisture is essential for the longevity and efficiency of refrigeration systems.

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It condenses

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