Term
what are the duties of a firefighter |
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Definition
primary duty is to save lives. secondary duty is to extinguish fires and limit damage to aircraft ship and equipment |
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Term
what are the three things in the fire triangle needed to create and sustain fire |
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Definition
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Term
describe a class alpha fire |
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Definition
occurs in combustible materials that produce an ash such as wood.extinguishing agents are water and AFFF |
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Term
describe class bravo fires |
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Definition
occur with flammable liquid substances such as gas jet fuels.effective agents are AFFF,halon 1211, purple k powder,co2 |
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Term
describe class charlie fires |
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Definition
energized electrical fires.extinguished using non conductive agents.co2,halon,pkp,h20 in fog patterns min dist 4 feet. de-energized treat as class a b or d fire. |
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Term
describe a class delta fire |
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Definition
combustible metals such as magnesium and titanium.agents are h20 in large high velocity quanities apply from a safe distance. |
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Term
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Definition
aqueous film forming foam |
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Term
what does AFFF consists of? |
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Definition
synthetic fluorocarbon surfactant materials that are non corrosive unlimited shelf life.comes in 3 and 6% ship requires 6% |
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Term
water is not considered to be a suitable agent for use in large aircraft fuel fire unless combined with with foam agents.can be used for cooling ordinance. |
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Definition
water is not considered to be a suitable agent for use in large aircraft fuel fire unless combined with with foam agents.can be used for cooling ordinance. |
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Term
halon1211 primarily used on class b and c fire is effective againts a fires.colorless sweet smelling nonconductive gas leaves no residue |
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Definition
halon1211 primarily used on class b and c fire is effective againts a fires.colorless sweet smelling nonconductive gas leaves no residue |
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Term
co2 15 and 50 pound wheeled extinguishers.primarily class b and c fires.colorless odorless 1/2 heavier than air.displaces oxygen |
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Definition
co2 15 and 50 pound wheeled extinguishers.primarily class b and c fires.colorless odorless 1/2 heavier than air.displaces oxygen |
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Term
potassium bicarbonate(pkp)intended for class B fires main chemical is potassium bicarbonate, dry chemical breaks the combustion chain.no reflash protection. |
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Definition
potassium bicarbonate(pkp)intended for class B fires main chemical is potassium bicarbonate, dry chemical breaks the combustion chain.no reflash protection. |
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