Chapter 16 Notes Hose Foam

Front 1

Each length of hose should be tested at least ______

Back 1

anually

Front 2

Visual hose inspection should be performed at least ______. A visual inspection should also be performed after _______

Back 2

qaurterly
each use

Front 3

If any defects are found, that _______ of hose should be immediately removed from service and _____ with a description of the problem

Back 3

length
tagged

Front 4

Hose that has not been used in ___ days should be unpacked, inspected, cleaned, and reloaded.

Back 4

30 days

Front 5

1. Inspect the hose for defects
2. Upon finding a defect, mark the area on the hose and remove the hose from service
3. Tag the hose as defective with a description of hte defect take it out of service, and notify your supervisor

Back 5

To clearly mark a defective hose

Front 6

A ______ is a written history of each individual length of fire hose

Back 6

hose record

Front 7

Each length of hose should be identified with a unique number _____ or _____ on it

Back 7

stenciled or painted

Front 8

Hose size, type, and manufact
Date when the hose was manuf
Date when the hose was purchased
Any repairs that have been made to hose

Back 8

A hose record will contain

Front 9

_____ can be used to fight multiple types of fires and to prevent the ignition of materials that could become involved in a fire

Back 9

foam

Front 10

Foams also have been developed for use in neutralizing _________ and decontamination

Back 10

hazardous material

Front 11

________ is produce by mixing foam concentrate with water and air to produce a solution that can serve as effective extinguishing agent

Back 11

fire fighter foam

Front 12

Each type of foam requires the appropriate type of _______, hte proper equipment to mix hte concentrate with water in the required proportion, and the proper applicationj equipment and _______

Back 12

concentrate
technique

Front 13

The bgasic classifications of firefighting foams are either Class ___ or Class ___

Back 13

Class A or Class B

Front 14

A firefighting foam for use on Class A fires?that is, fires involving ordinary combustible materials such as wood, paper, and textiles.

Back 14

Class A foam

Front 15

_______ increases the effectiveness of water as an extinguishing agent by reducing the surface tension of water

Back 15

Class A foam

Front 16

_______ can be added to ater streams and applied with several types of nozzles

Back 16

Class A

Front 17

A firefighting foam for use on Class B fires?that is, fires involving flammable liquids.

Back 17

Class B foam

Front 18

Foam extinguishes flammable-liquid fires by ______ from the fire

Back 18

seperating the fuel from the fire

Front 19

When a blanket of foam completely covers the surface of the liquid, hte release of flammable _____ stops

Back 19

vapors

Front 20

When using foam to extinguish a flammable-liquide fire, it is critically important to apply enough foam to fully ____ the liquid surface

Back 20

cover

Front 21

If the application rate is too ___, thermal updrafts caused by the fire will keep hte foam from covering the surface

Back 21

low

Front 22

Class _ foam can also be applied to a flammable-liquid spill in an efort to prevent a fire

Back 22

Class B foam

Front 23

______ are chemicals (such as alcohols) that readily mix with water

Back 23

Polar solvents

Front 24

_____ foams are not designed to resist hydrocarbons or self-seal on a liquid surface

Back 24

Class A foam

Front 25

Class A foams are usually formulated to be mixed with water in ratios from ____ percent ( 1 gal of concentrate to 999 gal)

Back 25

Class A foam

Front 26

Most Class B foam concentrates are designed to be used in strengths of either ___ percent or __ percent

Back 26

3 percent
6 percent

Front 27

Fire fighters must not mix diffrent types of foam concentration or even different _____ of the same type of foam un less compatible

Back 27

brands

Front 28

Protein foam
Fluoroprotein foam (FFFP)
Film-forming- foam (AFFF)
Aqueous film-forming-foam
Alcohol-resistant foam

Back 28

The major categories of Class B foam concentrate

Front 29

An organic foam that is made from animal by-products.

Back 29

Protein foam

Front 30

A blended organic and synthetic foam that is made from animal by-products and synthetic surfactants.

Back 30

Fluoroprotein foam

Front 31

A water-based extinguishing agent used on Class B fires. It forms a foam layer over the liquid and stops the production of flammable vapors.

Back 31

Film-forming fluoroprotein (FFFP)

Front 32

A water-based extinguishing agent used on Class B fires that forms a foam layer over the liquid and stops the production of flammable vapors.

Back 32

Aqueous film-forming foam (AFFF

Front 33

A blended organic and synthetic foam that is made from animal by-products and synthetic surfactants.

Back 33

Fluoroprotein foam

Front 34

A blended organic and synthetic foam that is made from animal by-products and synthetic surfactants.

Back 34

Fluoroprotein foam

Front 35

An organic foam that is made from animal by-products.

Back 35

Protein foam

Front 36

________ includes the proportioning equipment used to mix foam concentrate and water to produce foam solution, as well as the nozzles and other devices that are used to apply the foam

Back 36

Foam equipment

Front 37

A device that meters out and introduces the foam concentrate into the fire stream at a proper rate.

Back 37

Foam proportioner

Front 38

The two types of proportioner ______ and _____

Back 38

educators and injectors

Front 39

An ____ can be built into the plumbing of an engine, or a portable ______ can be inserted in an attack hose line.

Back 39

educators
educators

Front 40

The most common type of portable in-line educator used by fire department is iszed to work with a ____ inch attack line

Back 40

1 1/2 inch attack line

Front 41

A device placed in the hose line that draws foam concentrate from a container and introduces it into the fire stream.

Back 41

Foam eductor

Front 42

device installed on a fire pump that meters out foam by pumping or injecting it into the fire stream.

Back 42

Foam injector

Front 43

_____ can be applied to a fire or spill through portable extinguishers, handlines, master stream devices, or a variety of fixed systems for special application

Back 43

Foam

Front 44

most fire department apply foam through either ______ or _______ devices on fire apparatus

Back 44

handline or master stream

Front 45

________ has little entrained air and a small bubble structure

Back 45

Low-expansion foam

Front 46

Low expansion foam is often produce with standard ______ fog

Back 46

Low-expansion

Front 47

_________ foam contains produced with special aerating nozzles that are designed to introduce more air into the stream and produce a consistent bubble structure (aeration)

Back 47

Medium-expansion

Front 48

________ systems inject the air into the stream of foam solution under pressure and then discharge a mixture of foam solution and compressed air through the nozzle

Back 48

Compressed-air foam

Front 49

A method that applies the stream onto a nearby object, such as a wall, instead of directly aiming at the fire.

Back 49

Bankshot (bank-down) method

Front 50

A method of applying foam that involves sweeping the stream just in front of the target.

Back 50

Sweep (roll-on) method

Front 51

Pouring foam concentrate directly into the fire apparatus water tank, thereby mixing a large amount of foam at one time.

Back 51

Batch mixing

Front 52

A type of firefighting foam that is commonly used in fire extinguishers. Foam extinguishers are charged with compressed air or nitrogen, which discharges the foam solution through an attached aerating nozzle.

Back 52

Premixed foam

Front 53

A method that applies the stream onto a nearby object, such as a wall, instead of directly aiming at the fire.

Back 53

Bankshot (bank-down) method

Front 54

It is better to ____ until an adequate supply of foam concentrate is on hand than to waste the limited supply that is immediatly available

Back 54

Wait