Ifsta 6 Wfa Ch. 7 Portable Fire Extinguishers

Front 1

Portable fire extinguishers should be chosen based on the

Back 1

A. heat of the fire.
B. type of fuel that is burning.
C. amount of agent required to extinguish the fire.
D. distance required between the extinguisher and the fire.

Hint 1

B. type of fuel that is burning

Front 2

What classification of portable fire extinguisher is used for fires that involve combustible liquids and gases?

Back 2

A. Class A
B. Class B
C. Class D
D. Class K

Hint 2

B. Class B

Front 3

What classification of portable fire extinguisher is used for fires that involve combustible metals and alloys?

Back 3

A. Class A
B. Class B
C. Class D
D. Class K

Hint 3

C. Class D

Front 4

What classification of portable fire extinguisher is used on fires that involve combustible cooking oils?

Back 4

A. Class A
B. Class B
C. Class D
D. Class K

Hint 4

D. Class K

Front 5

Which method of extinguishing works by excluding oxygen from the burning process?

Back 5

A. Cooling
B. Smothering
C. Saponification
D. Chain breaking

Hint 5

B. Smothering

Front 6

What expelling mechanism works when the operator physically applies pressure to a pump that increases pressure within the container?

Back 6

A. Scoop
B. Manual pump
C. Stored pressure
D. Pressure cartridge

Hint 6

B. Manual pump

Front 7

What type of portable fire extinguisher is intended primarily for ground cover fires?

Back 7

A. Clean agent
B. Pump-type water
C. Aqueous film forming foam
D. Wet chemical stored-pressure

Hint 7

B. Pump-type water

Front 8

What type of portable fire extinguisher uses air stored in the tank to force water up a siphon tube when operated?

Back 8

A. Clean agent
B. Pump-type water
C. Carbon dioxide (CO2)
D. Stored-pressure water

Hint 8

D. Stored-pressure water

Front 9

What type of portable fire extinguisher is intended for use on Class K fires?

Back 9

A. Clean agent
B. Pump-type water
C. Aqueous film forming foam
D. Wet chemical stored-pressure

Hint 9

D. Wet chemical stored-pressure

Front 10

The resulting foam from an aqueous film forming foam (AFFF) extinguisher will ___ fuels lighter than air.

Back 10

A. mix in with
B. float on the surface of
C. sink below the surface of
D. cause a chemical reaction with

Hint 10

B. float on the surface of

Front 11

What application method is used with an aqueous film forming foam (AFFF) extinguisher in order to prevent disturbing the fuel?

Back 11

A. Apply foam directly to fuel surface
B. Apply foam in conjunction with dry ice crystals
C. Allow foam to gently rain down onto fuel surface
D. Allow foam to rest before applying to fuel surface

Hint 11

C. Allow foam to gently rain down onto fuel surface

Front 12

What type of portable fire extinguisher is discharged in the form of gas and works on Class B and Class C fires?

Back 12

A. Clean agent
B. Pump-type water
C. Carbon dioxide (CO2)
D. Wet chemical stored-pressure

Hint 12

C. Carbon dioxide (CO2)

Front 13

What type of portable fire extinguisher may produce a cloud that reduces visibility when discharged?

Back 13

A. Dry chemical
B. Pump-type water
C. Aqueous film forming foam
D. Wet chemical stored-pressure

Hint 13

A. Dry chemical

Front 14

What type of portable fire extinguisher may be applied with either an extinguisher or a scoop?

Back 14

A. Dry powder
B. Dry chemical
C. Pump-type water
D. Wet chemical stored-pressure

Hint 14

A. Dry powder

Front 15

What portable fire extinguisher rating is based on the approximate square foot (square meter) area of flammable liquid a nonexpert operator can extinguish?

Back 15

A. Class A rating
B. Class B rating
C. Class K rating
D. Multiple markings

Hint 15

B. Class B rating

Front 16

What portable fire extinguisher rating considers both the toxicity of the extinguishing agent and the toxicity of fumes produced when the agent is applied?

Back 16

A. Class A rating
B. Class B rating
C. Class C rating
D. Class D rating

Hint 16

D. Class D rating

Front 17

On a multiple marking extinguisher the ratings for each class are:

Back 17

A. directly related to the others.
B. only identified by pictographs.
C. separate, they do not affect each other.
D. indicators that firefighters should not use them.

Hint 17

C. separate, they do not affect each other.

Front 18

Which statement BEST describes portable fire extinguisher selection?

Back 18

A. Extinguisher ratings do not impact selection.
B. The correct extinguisher will minimize risk to life and property.
C. The correct extinguisher will always require an expert operator.
D. All types of extinguishers can be selected regardless of the situation.

Hint 18

B. The correct extinguisher will minimize risk to life and property.

Front 19

Once the proper extinguisher is selected, you must perform a visual inspection to ensure the extinguisher:

Back 19

A. has no external marks.
B. is charged and operable.
C. feels as though it contains agent.
D. has a long enough hose to reach the fire.

Hint 19

B. is charged and operable.

Front 20

Once the proper extinguisher is selected, you must check to ensure the pressure gauge:

Back 20

A. is not clouded over.
B. is in the operable range.
C. has been properly inspected.
D. records the last maintenance performed.

Hint 20

B. is in the operable range.

Front 21

The P in the PASS acronym stands for:

Back 21

A. squeeze handles.
B. aim nozzle at base of fire.
C. sweep nozzle back and forth.
D. pull pin by breaking wire or seal.

Hint 21

D. pull pin by breaking wire or seal.

Front 22

Which of the following statements BEST describes how to prevent scattering of lightweight fuels?

Back 22

A. Wind may be used to allow the agent to reach the fuel surface.
B. First allow fuel to burn off vapors before applying agent to the fuel surface.
C. Apply the agent from point where it reaches, but does not disturb, the fuel surface.
D. Use two extinguishers, alternating application patterns, to apply agent to the fuel surface.

Hint 22

C. Apply the agent from point where it reaches, but does not disturb, the fuel surface.

Front 23

Signal to others that a portable fire extinguisher is empty by:

Back 23

A. laying it on its side.
B. marking it with a tag.
C. standing it straight up.
D. covering the hose with a blanket.

Hint 23

A. laying it on its side.

Front 24

NFPA® 10 requires inspection of portable fire extinguishers at least:

Back 24

A. after every use.
B. every three months.
C. once every six months.
D. once a year.

Hint 24

D. once a year.

Front 25

During inspection, if a portable fire extinguisher is found deficient in weight by ___ percent it should be removed from service and replaced.

Back 25

A. 5
B. 8
C. 10
D. 12

Hint 25

C. 10

Front 26

Do not remove the safety pin on a portable fire extinguisher until:

Back 26

A. ready to use the extinguisher.
B. the fire appears to be dying out.
C. ordered to by the commanding officer.
D. you are 10 feet (3.04 meters) from the fire.

Hint 26

A. ready to use the extinguisher.

Front 27

How often should portable fire extinguishers be removed from service for maintenance?

Back 27

A. Monthly
B. Bi-monthly
C. Annually
D. Bi-annually

Hint 27

C. Annually