USCG Exam PracticeFirefighting, damage control, and emergency response
Which of the following correctly lists the fire classifications by fuel type used in shipboard firefighting?
- ✓ A (combustibles), B (flammable liquids/gas), C (energized electrical), D (combustible metals), K (cooking oils)Correct
- B. A (flammable liquids/gas), B (combustibles), C (combustible metals), D (energized electrical), K (cooking oils)
- C. A (combustibles), B (energized electrical), C (flammable liquids/gas), D (cooking oils), K (combustible metals)
- D. A (combustibles), B (flammable liquids/gas), C (cooking oils), D (combustible metals), K (energized electrical)
Why A is correct
Class A covers ordinary combustibles, B covers flammable liquids and gas, C covers energized electrical equipment, D covers combustible metals (rare on small vessels), and K covers cooking oils (galley fires). Using the wrong extinguisher class for the fuel type is hazardous. USCG Boatswain Manual Ch. 6 §6.1.