In accordance with 46 CFR Part 46, diesel fuel oil system valves for removing water or impurities are __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — permitted, provided they are fitted with caps or plugs
Under 46 CFR requirements, fuel oil system drains and valves intended for water or sediment removal must be securely fitted with caps, plugs, or secondary shutoffs to prevent accidental fuel discharge.
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