A branch line valve of a fire extinguishing system on a MODU must be marked with the __________.
Official USCG Answer & Rule Citation
Correct Answer: Option B — name of the space or spaces which it serves
Title 46 CFR mandates that all fire system branch line valves on Mobile Offshore Drilling Units are clearly and permanently marked indicating the exact space or compartments they serve, ensuring rapid identification and deployment during shipboard emergencies.
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