Basic Firefighter Questions And Answers
Three (3) Physical State of Matter in which FUEL EXISTS. - 1. Solids 2. Liquids 3. Gases Three (3) ways HEAT is transfered - 1. Conduction 2. Convection 3. Radiation Heat Transferred by an intervening Heat-conducting medium or by the direct contact of two bodies - CONDUCTION Note: Not all materials conduct heat similarly. Four (4) products of combustion - 1. Heat 2. Smoke 3. Gases 4. Light (Flame) Three (3) MAIN progressive phases or stages of a Fire - 1. Incipient (or beginning) Phase 2. Steady-State Burning (or Free burning) Phase 3. Hot-Smoldering Phase Characteristics of liquid fuels which increases Difficulty of Extinguishment - Liquids Assume the shape of their container. Heat transferred by the movement of air, other gases or liquids. FORM OF HEAT TRANSFER - Convection Note: Heat transferred by convection usually occurs in an upward direction.
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