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27 Cards in this Set

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Portable fire fighting device designed to combat incipient fires

Fire Extinguisher

Extinguishing system that uses dry chemical as the primary extinguishing agent; often used to protect areas containing volatile flammable liquids

Dry Chemical

Extinguishing agent suitable for use on combustible metal fires

Dry Powder

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

Wet Chemical System

Any substance used for the purpose of controlling or extinguishing a fire

Extinguishing Agent

A phenomenon that occurs when mixtures of alkaline based chemicals and certain cooking oils come into contact resulting in the information of a soapy film

Saponification

In the fire service, associated with a fire extinguisher capable of atomizing water through a special applicator. Fire extinguishers use distilled water, while backpack pump type use ordinary water

Water Mist

Foam nozzle especially designed to provide the aeration required to make the highest quality foam possible; most effective appliance for the generation of low expansion foam

Air Aspirating Foam Nozzle

Chemical compounds that contain carbon plus one or more elements from the halogen series. Most commonly used as extinguishing agents for Class B and Class C fires

Halogenated Extinguishing Agents


AKA Halogenated Hydrocarbons

Capable of causing corrosion by gradually eroding, rusting, or destroying a material

Corrosive

Must be readily accessible


In working order


Suitable for the hazard


Large enough to control the size fire


User must know how to operate the extinguisher

Things needed for an extinguisher to be effective

Fires involving ordinary combustibles
Water or Dry Chemical

Class A

Fires involving flammable and combustible liquids


Dry chemical agents, halogenated agents, or foams

Class B

Fires involving energized electrical equipment


Nonconductive agents such as carbon dioxide, halon, and dry chemical or turning off power source

Class C

Fires involving combustible metals


No one extinguishing agent works on all of this type of fire

Class D

Fires that involve oils that are used in commercial cooking applications



Class K

Smothering- oxygen exclusion


Cooling- reducing the burning material temperature


Chain breaking- interrupting the chemical chain reaction


Saponification- forming an oxygen excluding soapy foam

Extiguishing Methods

Water

A

Foam

AB

Wet Chem

AK

Mist

AC

Ordinary Dry Chem

BC

Multi Purpose Dry Chem

ABC

Carbon Dioxide

BC

Dry Powder

D

Clean Agent

BC or ABC

Stored pressure


Cartridge


Pump


Invert

Ways that extinguishing agents are expelled