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USCG Exam PracticeFirefighting, damage control, and emergency response

Which of the following correctly lists the fire classification categories used aboard small vessels?

  1. ✓ A (combustibles), B (flammable liquids/gas), C (energized electrical), D (combustible metals), K (cooking oils)Correct
  2. B. A (combustibles), B (flammable liquids/gas), C (energized electrical), E (explosives), K (cooking oils)
  3. C. A (combustibles), B (flammable liquids/gas), C (chemical), D (combustible metals), K (cooking oils)
  4. D. A (combustibles), B (flammable liquids/gas), C (energized electrical), D (dust/powder), K (cooking oils)

Why A is correct

The Boatswain's Manual classifies shipboard fires by fuel type: A (combustibles), B (flammable liquids/gas), C (energized electrical), D (combustible metals — rare on small vessels), and K (cooking oils — galley fires). The correct extinguisher class must match the fuel type.

Cited:USCG Boatswain Manual Ch. 6 §6.1

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Which of the following correctly lists the fire classification cate… — USCG Exam Practice · CaptainsGround