Fire & Smoke Latest Update Graded A+
Fire & Smoke Latest Update Graded A+ Chemistry of fire Heat- remove by cooling Fuel- remove by starving the fire Oxygen- remove by smothering Classes of fire A- flammable solids- wood/paper/fabric B- flammable liquids- fuel/alcohol C- flammable gases-butane gas (lighters) D- combustible metals- magnesium E- live electrical equipment- oven/water boilers/flight deck F- flammable fats- cooking oils What is a flashover A sudden transfer of heat from local to widespread Occurs when gases and heat ignite spontaneously Can happen in as little as 30seconds Physical effects of smoke in the cabin 1. Watering eyes 2. Choking 3. Asphyxiation To prevent effects- remain floor level for breathable air Identifying source of fire Where the smoke is coming from may not be where the actual source of fire is Feel for hotspots using the back of your hand (hot/cold test) External Any unusual circumstances outside the aircraft, either during the flight or while on the ground - must be reported immediately to the flight crew - includes signs of fire, smoke, unusual noises and smells Internal -dropped cigarettes -matches -leaking lighters -electrical faults -galley oven fires
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- 26 mei 2024
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fire smoke latest update graded a
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