IFSTA 7th Edition Chapter 18: Foam Fire Fighting, Liquid Fires, and Gas Fires

IFSTA 7th Edition Chapter 18: Foam Fire Fighting, Liquid Fires, and Gas Fires How does firefighting foam work? - ANSWER By forming a blanket of foam on the surface of burning fuels - both liquid and solid What are the 4 methods that firefighting foam extinguishes and/or prevents ignition of fire? - ANSWER Separating Cooling Smothering Penetrating Seperating - ANSWER Creates a barrier between the fuel gases and possible ignition sources Smothering - ANSWER Prevents air from reaching the fuel and mixing with the vapors and prevents the release of flammable vapors