Through which of the components shown in the illustration is flash gas formation a normal occurrence? GS-RA-25 Illustration GS-RA-25: the U.S. Coast Guard has not released this illustration.
Official USCG Answer & Rule Citation
Correct Answer: Option B — thermostatic expansion valve
Flash gas formation naturally occurs inside the thermostatic expansion valve as high-pressure liquid refrigerant undergoes a sudden pressure drop, causing a portion of the liquid to instantly vaporize and cool the remaining mixture.
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