USCG Exam PracticeFire extinguishers — types, ratings, requirements
Under 33 CFR §175.310, which type of portable fire extinguisher is expressly prohibited from being used to satisfy required fire extinguishing equipment on a recreational vessel?
- A. Dry chemical stored pressure extinguishers with pressure gauges
- ✓ Vaporizing-liquid extinguishers containing carbon tetrachlorideCorrect
- C. CO2 extinguishers approved under 46 CFR part 162
- D. Semi-portable extinguishers fitted with a hose and nozzle
Why B is correct
33 CFR §175.310(b) expressly prohibits vaporizing-liquid type fire extinguishers containing carbon tetrachloride, chlorobromomethane, or other toxic vaporizing liquids from being used as required equipment. The other options describe acceptable equipment types.
Cited:33 CFR §175.310