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.

Question

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.

Accepted Answer

Option B: thermostatic expansion valve. Flash gas is a normal thermodynamic occurrence inside the thermostatic expansion valve orifice, where a fraction of the high-pressure liquid instantly vaporizes to cool the remaining liquid down to saturation temperature.