🔍 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.