Chapter 7: Portable Fire Extinguishers Flashcards Preview

Essentials of Fire Fighting 6th Edition > Chapter 7: Portable Fire Extinguishers > Flashcards

Flashcards in Chapter 7: Portable Fire Extinguishers Deck (11)
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1

Air-Aspirating Foam Nozzle

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.

2

Corrosive

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

3

Deionized Water

Water from which ionic salts, minerals, and impurities have been removed by ion-exchange.

4

Dry Chemical

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

5

Dry Powder

Extinguishing agent suitable for use on combustible metal fires.

6

Extinguishing Agent

Any substances used for the purpose of controlling or extinguishing a fire.

7

Fire Extinguisher

Portable fire fighting device designed to combat incipient fires.

8

Halogenated Extinguishing Agents

Chemical compounds (halogenated hydrocarbons) that contain carbon plus one or more elements from the halogen series. Halon 1301 and Halon 1211 are most commonly used as extinguishing agents for Class B and Class C fires. Also known as Halogenated Hydrocarbons.

9

Saponification

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

10

Water-Mist

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

11

Wet Chemical System

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.