In a refrigeration system, silica gel is found in what component?

Official USCG Answer & Rule Citation

Correct Answer: Option A — dehydrator or combination filter/drier

Silica gel is a solid desiccant utilized in marine refrigeration dehydrators or filter/driers to chemically absorb and trap moisture from liquid refrigerant, preventing ice blockages and acid formation within the system according to 46 CFR standards.

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