USCG Exam Practice · Fire extinguishers — types, ratings, requirements
Which type of portable fire extinguisher agent is expressly prohibited from being used to satisfy fire extinguisher requirements on a recreational vessel under 33 CFR §175.310?
- ADry chemical stored pressure type
- BCarbon dioxide (CO2) type
- CVaporizing-liquid type containing carbon tetrachloride✓ correct
- DHalon replacement clean agent type
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 used as required equipment. Dry chemical and CO2 types are not similarly prohibited.
Cited:33 CFR §175.310
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