Which of the following statements is true? 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.
Standard multi-box piping arrangements designate the main liquid line shutoff ahead of branch lines as the king solenoid ("14"). Branch solenoids supply individual compartments, where valve "28" services the higher temperature chill box and "36" services the freezer box.
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