USCG Exam Practice · Fire extinguishers — types, ratings, requirements
Which type of portable fire extinguisher is expressly prohibited from being carried as required equipment on a recreational vessel?
- ADry chemical stored pressure extinguisher with a pressure gauge
- BCarbon dioxide extinguisher rated 5-B
- CVaporizing-liquid extinguisher containing carbon tetrachloride✓ correct
- DDry powder extinguisher rated 20-B
Why C is correct
33 CFR §175.310(b) expressly prohibits vaporizing-liquid type extinguishers containing carbon tetrachloride, chlorobromomethane, or other toxic vaporizing liquids from being carried as required equipment on recreational vessels.
Cited:33 CFR §175.310
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