USCG Exam PracticeFire extinguishers — types, ratings, requirements
Which type of portable fire extinguisher is expressly prohibited from being used to meet the fire extinguisher requirements for recreational vessels under 33 CFR §175.310?
- A. Dry chemical stored pressure extinguishers manufactured after January 1, 1965
- ✓ Vaporizing-liquid extinguishers containing carbon tetrachlorideCorrect
- C. CO2 extinguishers not fitted with pressure gauges
- D. Stored pressure extinguishers without pressure gauge indicators
Why B is correct
33 CFR §175.310(b) expressly prohibits vaporizing-liquid type extinguishers containing carbon tetrachloride, chlorobromomethane, or other toxic vaporizing liquids from being used as required equipment. The other options describe extinguishers that may be carried under certain conditions or as excess equipment.
Cited:33 CFR §175.310