IFSTA Chapter 6: Portable Fire Extinguishers questions & answers 2023/2024

IFSTA Chapter 6: Portable Fire ExtinguishersAir-Aspirating Foam Nozzle - correct answer Foam nozzle designed to provide the aeration required to make the highest quality foam possible; most effective appliance for the generation of low-expansion foam. Aqueous Film Forming Foam (AFFF) - correct answer Synthetic foam concentrate that, when combined with water, can form a complete vapor barrier over fuel spills and fires and is a highly effective extinguishing and blanketing agent on hydrocarbon fuels. Class A Fire - correct answer Fires involving ordinary combustibles such as wood, paper, cloth, and similar materials. Class B Fire - correct answer Fires of flammable and combustible liquids and gases. Class C Fire - correct answer Fires involving energized electrical equipment. Class D Fire - correct answer Fires of combustible metals such as magnesium, sodium, and titanium. Class K Fire - correct answer Fires in cooking appliances that involve combustible cooking media, such as vegetable or animal oils and fats; commonly occurring in commercial cooking facilities such as restaurants and institutional kitchens. Dry Chemical - correct answer Any one of a number of powdery extinguishing agents used to extinguish fires.