Refrigeration & Air Conditioning USCG Question #228 (Set 4)

In a refrigeration system, what component is installed directly downstream of the thermal expansion valve?

Official USCG Answer & Rule Citation

Correct Answer: Option A — evaporator coil

The thermal expansion valve meters high-pressure liquid refrigerant directly into the evaporator coil, where the sudden pressure drop causes rapid boiling and heat absorption from the refrigerated space.

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