Chapter 08: Portable Fire Extinguishers

Front 1

A material used to stop the combustion process

Back 1

Extinguishing agent

Front 2

Periodic testing of an extinguisher to verify it has sufficient strength to withstand internal pressures

Back 2

Hydrostatic testing

Front 3

Very cold, forms a dense cloud that displaces the air surrounding the fuel

Back 3

CO2

Front 4

An extinguishing agent used on Class B fires that forms a foam layer over the liquid and stops the production of flammable vapors

Back 4

Aqueous film forming foam (AFFF)

Front 5

The weight of combustibles in a fire area or on a floor in building structures

Back 5

Fire load

Front 6

A retaining device that breaks when the locking mechanism is released

Back 6

Tamper seal

Front 7

The initial stage of a fire

Back 7

Incipient

Front 8

An extinguishing agent used in dry chemical fire extinguishers that can be used on Class A, B, and C fires

Back 8

Ammonium phosphate

Front 9

Film forming fluoroprotein foam, a Class B foam additive

Back 9

FFFP

Front 10

A gauge on a pressurized portable fire extinguisher that indicates internal pressure of the expellant

Back 10

Pressure indicator

Front 11

What is the extinguishing agent that is used in portable fire extinguishers can be applied by hand?

Back 11

Sodium chloride based

Front 12

How are fire extinguishers weighing more than 40 pounds mounted?

Back 12

Top of extinguisher is not more than 3 feet above the floor

Front 13

What does the best method of transporting a hand held portable fire extinguisher depend on?

Back 13

Size

Weight

Design of extinguisher

Front 14

What does all fires require?

Back 14

Fuel

Heat

Oxygen

Front 15

What is the number that is related to Class A fire extinguishers?

Back 15

Amount of water the fire extinguisher holds

Front 16

What is the safest and surest way to extinguish a Class C fire?

Back 16

1. Turn off the power

2. Treat it like a A or B fire

Front 17

What does Class D fire most often encounter?

Back 17

Machine or repair shops

Front 18

Where is the extinguishing agent in a fire extinguisher stored?

Back 18

Cylinder

Front 19

How much heavier is Carbon dioxide heavier than air?

Back 19

Carbon dioxide is

1.5 times heavier

Than air

Front 20

How are Class B fire extinguishers identified?

Back 20

Solid red square - Flammable liquids

Front 21

What are carbon dioxide extinguishers not recommended for?

Back 21

Outdoor use

Front 22

What type of fire extinguishers should be used for electrical rooms?

Back 22

Class C

Front 23

Water soluble flammable liquid (alcohol, acetone, ester, ketone)

Back 23

Polar solvent

Front 24

Occupancies where total amounts of Class A and Class B are greater than expected

Back 24

Extra hazard locations

Front 25

Material used to stop combustion process (liquids, gas, dry chemical, dry powder)

Back 25

Extinguishing agent

Front 26

Expellant gas in separate container from extinguishing agent storage container

Back 26

Cartridge/cylinder fire extinguisher

Front 27

What organization tests and certifies fire extinguishers?

Back 27

Underwriters Laboratories, Inc (UL)

Front 28

What fire extinguisher is used for cooking appliances?

Back 28

Class K fires

Front 29

What is chemical process that occurs when a fuel is combined with oxygen (ash product)?

Back 29

Rapid oxidation

Front 30

What type of fire extinguishers are rated to fight Class A, B, C fires?

Back 30

Multipurpose dry chemical extinguisher

Front 31

What extinguishers have a short discharge range?

Back 31

Carbon dioxide

Front 32

How is the extinguishing agent of a portable extinguisher discharged?

Back 32

Through a nozzle or horn

Front 33

What is a fire extinguishing agent that does not leave a residue when it evaporates?

Back 33

Clean agent

Front 34

What type of extinguishers are used primarily outdoors for fighting brush and grass fires?

Back 34

Backpack extinguishers

Front 35

Which class fire have solid red square?

Back 35

Class B

Front 36

Which class fire involves wood, cloth, rubber, household rubbish, and some plastics?

Back 36

Class A

Front 37

What is a colorless, odorless, electronically nonconductive gas that puts out Class B and C fires by displacing oxygen and cooling the fuel?

Back 37

Carbon dioxide

Front 38

What must be done to a fire extinguisher after each and every use?

Back 38

Recharged

Front 39

Temperature at which a substance will burn

Back 39

Ignition point

Front 40

Which fire extinguisher are identified by a solid yellow five point star?

Back 40

Class D = solid yellow five point star

Front 41

Which fire extinguisher should be used only when its clean properties are essential?

Back 41

Halon 1211

Front 42

What is the first step of PASS?

Back 42

Pull safety pin

Front 43

What is measurement above the floor that a fire extinguisher should be mounted?

Back 43

Bottom of extinguisher should be mounted at least 4 inches above the floor

Front 44

What are some examples of light hazard areas?

Back 44

Most offices or classrooms

Front 45

What is the primary disadvantage of fire extinguishers?

Back 45

One shot device

Front 46

What is the time interval for testing requirements for an extinguisher?

Back 46

Based on construction material and vessel type

Front 47

How much extinguishing agent does a fire extinguisher contain?

Back 47

Several hundred pounds

Front 48

What does a number rating indicate of a Class B extinguisher?

Back 48

Number of square feet that it can cover

Front 49

The tapered discharge nozzle of a carbon dioxide type fire extinguisher

Back 49

Horn

Front 50

The body of the fire extinguisher where the extinguishing agent is stored

Back 50

Cylinder

Front 51

Electrically nonconducting, volatile, or gaseous fire extinguisher that does not leave a residue upon evaporation

Back 51

Clean agent

Front 52

A constricting appliance attached to the end of a fire hose or monitor to increase the water velocity and form a stream

Back 52

Nozzle

Front 53

The initial or beginning stage of a fire, in which it can be controlled or extinguished by portable extinguishers or small amounts of dry extinguishing agents, without the need for protective clothing or breathing apparatus

Back 53

Incipient Stage

Front 54

The process of converting the fatty acids in cooking oils or fats to soap or foam; the action caused by a Class K fire extinguisher

Back 54

Saphonification

Front 55

The weight of combustibles in the fire area or on a floor in buildings and structures, including either contents or building parts or both

Back 55

Fire load

Front 56

The button or lever used to discharge the agent from a portable fire extinguisher

Back 56

Trigger

Front 57

A chemical process that occurs when a fuel is combined with oxygen, resulting in the formation of ash or other waste products and the release of energy as heat and light

Back 57

Rapid Oxidation

Front 58

A retaining device that breaks when the locking mechanism is released

Back 58

Tamper Seal

Front 59

The grip used for holding and carrying a portable fire extinguisher

Back 59

Handle

Front 60

A fire in ordinary combustible materials such as wood, cloth, paper, rubber and many plastics

Back 60

Class A fire

Front 61

A fire in flammable liquids, combustible liquids, petroleum greases, tars, oils, oil based paints, solvents, lacquers, alcohols, and flammable gases

Back 61

Class B fire

Front 62

A fire that involves energized electrical equipment

Back 62

Class C fire

Front 63

A fire in combustible metals, such as magnesium, titanium, zirconium, sodium, lithium and potassium

Back 63

Class D fire

Front 64

A fire in cooking appliance that involves combustible cooking media (vegetable or animal oils and fats)

Back 64

Class K fire

Front 65

Occupancies where the total amount of combustible materials is less than expected in an ordinary hazard location

Back 65

Light (low) hazard locations

Front 66

A fire extinguisher rated to fight A, B, and C fires

Back 66

Multipurpose dry chemical fire extinguisher

Front 67

A water soluble flammable liquid such as alcohol, acetone, ester and ketone

Back 67

Polar solvent

Front 68

What does PASS stand for?

Back 68

Pull pin

Aim nozzle

Squeeze trigger

Sweep across burning fuel

Front 69

What is letter, shape and color associated with Ordinary Combustible?

Back 69

Ordinary Combustible

Letter = A

Shape = Triangle

Color = Green

Front 70

What is letter, shape and color associated with Flammable Liquids?

Back 70

Flammable Liquids

Letter = B

Shape = Square

Color = Red

Front 71

What is letter, shape and color associated with Electrical Equipment?

Back 71

Electrical Equipment

Letter = C

Shape = Circle

Color = Blue

Front 72

What is letter, shape and color associated with Combustible Metals?

Back 72

Combustible Metals

Letter = D

Shape = Five pointed star

Color = Yellow

Front 73

How are extinguishers sustainable for use on Class K (combustible cooking oil) fires identified?

Back 73

Pictograph showing a fire in a frying pan (no alphabet graphic)

Front 74

What is the safest and surest way to extinguish a Class C fire?

Back 74

1. Turn off power

2. Treat it like Class A or B

Front 75

What does the letters indicate within the classification system for fire extinguishers?

Back 75

Letters indicate effectiveness (A reflects amount of water it contains, B reflects approximate area can be extinguished)

Front 76

Which fires have letters that are used to rate an extinguisher's effectiveness?

Back 76

Only Class A and Class B fires

Front 77

What does hydrostatic testing confirm?

Back 77

Extinguisher has sufficient strength to withstand the internal pressures

Front 78

Which type of fire extinguisher has chemical compounds that are used to extinguish Class D fires?

Back 78

Dry powders

Front 79

Which type of fire extinguisher are used to extinguish Class K fires?

Back 79

Wet chemical

Front 80

Which type of fire extinguisher are used to extinguish Class A fires?

Back 80

Water