🔍 Key Concepts
• Fire class definitions used on U.S. vessels (A, B, C, D)
• The difference between flammable liquids/grease and electrical fires
• Which class covers ordinary combustibles like wood, paper, cloth
💭 Think About
• Think about what is actually burning in a galley grease fire: is it solid material, liquid fuel, electricity, or metal?
• Ask yourself which class of fire includes cooking oils and grease in their liquid form.
• Consider which fire class is typically fought with foam or dry chemical, and which is fought with water only.
✅ Before You Answer
• Verify which fire class is defined for flammable liquids and greases in your study materials.
• Confirm that Class A is for solid materials like wood, rags, and paper, not liquids.
• Confirm that Class C involves energized electrical equipment, and Class D involves combustible metals.