Chapter 6 Terms

Question 1

Air aspirating foam nozzle

Answer 1

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

Question 2

Aqueous film, forming foamAFFF

Answer 2

Synthetic foam concentrate that when combined with water can form a complete vapour barrier over fuel spills and fires, and is highly effective extinguishing and blanketing agent on hydrocarbon fuels

Question 3

Class a fire

Answer 3

Fires involving ordinary, combustible, such as wood, paper, cloth, and similar materials

Question 4

Class b fire

Answer 4

Fires is a flammable and combustible liquids and gases

Question 5

Class C Fire

Answer 5

Fires involving energized electrical equipment

Question 6

Class D Fire

Answer 6

Fires of combustible metals, such as magnesium, sodium, and titanium

Question 7

Class K Fire

Answer 7

Fires in cooking appliances that involve combustible, cooking media such as vegetable or animal oils and fats; commonly occurring in commercial, cooking facilities, such as restaurants and institutional kitchens

Question 8

Dry chemical

Answer 8

Any one of a number of powdery extinguishable agents used to extinguish fires

Question 9

Dry powder

Answer 9

Extinguishing agent suitable for use on combustible metal fires

Question 10

Extinguishing agent

Answer 10

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

Question 11

Fire extinguisher

Answer 11

Portable firefighting device designed to combat incipient fires

Question 12

Halogenated extinguishing agents

Answer 12

Chemical compounds (halogenated hydrocarbons) that contain carbon plus one or more elements from the halogen series. Halon1301 and halon1210 are most commonly used as extinguishing agents for class B in class C fires.

Question 13

Saponification

Answer 13

Phenomenon that occurs when mixtures of alkaline based chemicals and certain cooking oils come into contact, resulting in the formation of a soapy film

Question 14

Smothering

Answer 14

Act of excluding oxygen from a fuel

Question 15

Water mist extinguisher

Answer 15

Fire extinguisher, capable of discharging atomized water through special applicator; pressurized, water mist extinguishers used distilled water, whereas back pump, water mist extinguishers, use ordinary water

Question 16

Wet chemical system

Answer 16

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