Which device is used to prevent over pressurization of the illustrated distiller? Illustration MO-0111
Official USCG Answer & Rule Citation
Correct Answer: Option D — "26"
Device 26 is the relief valve, a critical safety component designed to protect the pressure vessel from over-pressurization. In accordance with 46 CFR requirements for pressure vessels, this valve automatically vents excess pressure to the atmosphere or a safe discharge point if the system pressure exceeds design limits.
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