USCG Exam PracticeFirefighting procedures aboard small vessels
A galley grease fire ignites aboard a small passenger vessel. According to the USCG Boatswain's Manual fire classification system, this is a Class __ fire, and the correct extinguishing agent class is __.
- A. Class B; CO₂ or dry chemical.
- B. Class A; water.
- ✓ Class K; a Class K-rated extinguisher.Correct
- D. Class C; CO₂ only.
Why C is correct
The USCG Boatswain's Manual Ch. 6 §6.1 classifies cooking oil fires as Class K. Class B covers flammable liquids and gases generally; Class A covers ordinary combustibles; Class C covers energized electrical equipment. Using the correct extinguisher class matched to the fuel type is required.