USCG Exam PracticeRefrigeration principles and systems
According to federal regulations, what fire suppression requirement applies to machinery compartments containing ammonia refrigeration equipment?
- A. A CO2 fixed flooding system with a remote release outside the compartment
- ✓ A sprinkler system providing effective water spray with a remote-control device located outside the compartmentCorrect
- C. Portable dry-chemical extinguishers staged at each access point to the compartment
- D. A halon suppression system activated automatically by an ammonia detector
Why B is correct
46 CFR §58.20-15(b) specifically requires that machinery compartments containing ammonia equipment be fitted with a sprinkler system providing an effective water spray and having a remote-control device located outside the compartment. No other suppression type satisfies this regulatory requirement.
Cited:46 CFR §58.20-15