Term
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Definition
| portable fire fighting device designed to combat incipient fires (233) |
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Term
smothering
cooling
chain breaking
saponification |
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Definition
| What are the four mechanisms that fire extingushers put out fire? (236) |
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Term
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Definition
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Term
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Definition
| reducing the burning material below its ignition temperature |
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Term
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Definition
| interrupting the chemical chain reaction |
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Term
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Definition
| forming an oxygen-excluding soapy foam |
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Term
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Definition
| any substance used for the purpose of controlling or extinguishing a fire (235) |
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Term
manual
stored pressure
pressure cartridge |
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Definition
| What are the three mechanisms by which portable extinguishers expel their contents? |
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Term
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Definition
| the ability of a substance to conduct an electrical current |
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Term
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Definition
| substance or mixture composed of two or more metals fused together and dissolved into each other to enhance the properties or usefulness of the base metal |
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Term
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Definition
| extinguishing agent suitable for use on combustible metal fires |
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Term
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Definition
| extinguishing system that uses a wet-chemical solution as the primary extinguishing agent; usually installed in range hoods and associated ducting where grease may accumulate |
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Term
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Definition
| fires that involve combustible metals and alloys such as lithium, magnesium, potassium, and sodium |
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Term
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Definition
| fires that involve flammable and combustible liquids, gases, and greases such as alcohol, cooking oils, gasoline, lubricating oils and liquefied petroleum gas (LPG) |
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Term
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Definition
| Fires that are Class A or Class B created by electrical energy |
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Term
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Definition
| fires that involve ordinary combustibles such as textiles, paper, plastics, rubber, and wood |
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Term
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Definition
| Fires that involve combustible cooking oils such as vegetable or animal fats and oils that burn at extremely high temperatures |
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Term
Pull pin
Aim nozzle
Squezze handles
Sweep base of fire |
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Definition
| What is the PASS method of application for using portable fire extinguishers? (251) |
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Term
| water, water-based agents such as foam, or dry chemicals |
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Definition
| Ordinary combustibles can easily be extinguished by? (236) |
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Term
| carbon dioxide, dry chemical, and class B foam |
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Definition
| What type of agents are used to extinguish fires involving alcohol, cooking oils, gasoline, lubricating oils, and liquefied petroleum gas fires? (237) |
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Term
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Definition
| What type of agent is used to extinguish fires involving combustible metals and alloys such as lithium, magnesium, potassium, and sodium? (237) |
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Term
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Definition
| What type of agent is used in extinguishing vegetable or animal fats and oils? (237) |
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Term
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Definition
| extinguishing system that uses dry chemical powder as the primary extinguishing agent; often used to protect areas containing volatile flammable liquids (236) |
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Term
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Definition
| Stored-pressure water extinguishers are useful for all types of small _____________ fires (237) |
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Term
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Definition
| A fire extinguisher capable of atomizing water through a special applicator. They use distilled water. Safe to use on energized electrical equipment (239) |
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Term
| wet chemical stored pressure extinguishers |
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Definition
| These extinguishers contain a special potassium-based, low pH agent formulated to cool and suppress fires in unsaturated cooking oils (239) |
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Term
| Aqueous Film Forming Foam (AFFF) |
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Definition
| 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. Also called light water (239) |
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Term
| Clean Agent Extinguishers |
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Definition
| These agents effectively cool and smother fires in Class A and Class B fuels, and the agents are nonconductive so they can be used on energized electrical equipment fires (241) |
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Term
| Carbon Dioxide Extinguishers |
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Definition
| These extinguishers are most effective in extinguishing Class B and Class C fires. They have limited reach and can be dispersed by the wind (241) |
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Term
| dry chemical extinguishers |
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Definition
| These extinguishers are for use on Class A-B-C fires and/or Class B-C fires. (243) |
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Term
| dry chemical extinguisher |
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Definition
| What is the most common portable fire extinguisher in use today? (243) |
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Term
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Definition
| gaseous, liquid, or solid materials that can burn, irritate, or destroy human skin tissue and can severely corrode steel (243) |
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Term
classification of burning fuel
rating of extinguisher
size and intensity of fire
atomospheric conditions
any life hazard or operational concerns
availability of trained personnel |
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Definition
| What are some factors for selecting the proper fire extinguisher? (249) |
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Term
external condition - no apparant damage
hose/nozzle - in place
weight - feels though it contains agent
pressure guage - in operable range |
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Definition
| When inspecting an extinguisher immediately before use, check the following: (250) |
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