Refrigeration & Air Conditioning USCG Question #229 (Set 4)

Refrigeration systems using forced air circulation evaporators have a tendency to cause rapid dehydration of produce in chill boxes. Which of the following will minimize this dehydration?

Official USCG Answer & Rule Citation

Correct Answer: Option B — the air is circulated slowly over a large evaporator with a minimum temperature differential

Minimizing produce dehydration in chill boxes requires high relative humidity. This is achieved by circulating air slowly over a large evaporator surface with a minimal temperature differential between the coil and the box.

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