Which of the following statements is true? Illustration GS-RA-12 Illustration GS-RA-12: the U.S. Coast Guard has not released this illustration.
Official USCG Answer & Rule Citation
Correct Answer: Option A — Valve "14" is the king solenoid, valve "28" is the chill box solenoid, and valve "36" is the freeze box solenoid.
In multi-box marine refrigeration piping schematics, valve 14 serves as the main liquid line king solenoid, while valves 28 and 36 act as individual box liquid solenoids for chill and freeze compartments respectively.
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