CH 18 IFSTA EXAM QUESTIONS WITH CORRECT ANSWERS 2024.

CH 18 IFSTA EXAM QUESTIONS WITH CORRECT ANSWERS 2024 Which type of nozzle produces high quality foam by inducting air into the foam solution using the Venturi Effect? - correct answer Foam nozzle What is a BLEVE? - correct answer Catastrophic failure of a pressurized vessel What is needed to create finished foam? - correct answer Foam concentrate, water, and aeration Which type of foam is used to extinguish fires involving flammable and combustible liquids - correct answer Class B foam When fire fighting foam extinguishes by _____, it prevents air from reaching the fuel and prevents release of flammable vapors. - correct answer smothering When approaching a fire involving a pressurized flammable gas,: - correct answer there is no angle from which it is safest to approach. Which type of liquid fuels have a flash point of less than 100°F (38°C)? - correct answer Flammable liquids At an incident involving a flammable gas fire, firefighters should retreat to a safe location: - correct answer when the sound of gas escaping the relief valve gets louder. .