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27 Cards in this Set
- Front
- Back
- 3rd side (hint)
Portable fire extinguishers should be chosen based on the |
A. heat of the fire. |
B. type of fuel that is burning |
|
What classification of portable fire extinguisher is used for fires that involve combustible liquids and gases? |
A. Class A |
B. Class B |
|
What classification of portable fire extinguisher is used for fires that involve combustible metals and alloys? |
A. Class A |
C. Class D
|
|
What classification of portable fire extinguisher is used on fires that involve combustible cooking oils? |
A. Class A
|
D. Class K |
|
Which method of extinguishing works by excluding oxygen from the burning process? |
A. Cooling |
B. Smothering |
|
What expelling mechanism works when the operator physically applies pressure to a pump that increases pressure within the container? |
A. Scoop |
B. Manual pump |
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What type of portable fire extinguisher is intended primarily for ground cover fires? |
A. Clean agent |
B. Pump-type water |
|
What type of portable fire extinguisher uses air stored in the tank to force water up a siphon tube when operated? |
A. Clean agent |
D. Stored-pressure water |
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What type of portable fire extinguisher is intended for use on Class K fires? |
A. Clean agent |
D. Wet chemical stored-pressure |
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The resulting foam from an aqueous film forming foam (AFFF) extinguisher will ___ fuels lighter than air. |
A. mix in with |
B. float on the surface of |
|
What application method is used with an aqueous film forming foam (AFFF) extinguisher in order to prevent disturbing the fuel? |
A. Apply foam directly to fuel surface |
C. Allow foam to gently rain down onto fuel surface |
|
What type of portable fire extinguisher is discharged in the form of gas and works on Class B and Class C fires? |
A. Clean agent |
C. Carbon dioxide (CO2) |
|
What type of portable fire extinguisher may produce a cloud that reduces visibility when discharged? |
A. Dry chemical |
A. Dry chemical |
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What type of portable fire extinguisher may be applied with either an extinguisher or a scoop? |
A. Dry powder
|
A. Dry powder |
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What portable fire extinguisher rating is based on the approximate square foot (square meter) area of flammable liquid a nonexpert operator can extinguish? |
A. Class A rating |
B. Class B rating |
|
What portable fire extinguisher rating considers both the toxicity of the extinguishing agent and the toxicity of fumes produced when the agent is applied? |
A. Class A rating |
D. Class D rating |
|
On a multiple marking extinguisher the ratings for each class are: |
A. directly related to the others. |
C. separate, they do not affect each other. |
|
Which statement BEST describes portable fire extinguisher selection? |
A. Extinguisher ratings do not impact selection. |
B. The correct extinguisher will minimize risk to life and property. |
|
Once the proper extinguisher is selected, you must perform a visual inspection to ensure the extinguisher: |
A. has no external marks. |
B. is charged and operable. |
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Once the proper extinguisher is selected, you must check to ensure the pressure gauge: |
A. is not clouded over. |
B. is in the operable range. |
|
The P in the PASS acronym stands for: |
A. squeeze handles. |
D. pull pin by breaking wire or seal. |
|
Which of the following statements BEST describes how to prevent scattering of lightweight fuels? |
A. Wind may be used to allow the agent to reach the fuel surface. |
C. Apply the agent from point where it reaches, but does not disturb, the fuel surface. |
|
Signal to others that a portable fire extinguisher is empty by: |
A. laying it on its side.
|
A. laying it on its side. |
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NFPA® 10 requires inspection of portable fire extinguishers at least: |
A. after every use. |
D. once a year. |
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During inspection, if a portable fire extinguisher is found deficient in weight by ___ percent it should be removed from service and replaced. |
A. 5 |
C. 10 |
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Do not remove the safety pin on a portable fire extinguisher until: |
A. ready to use the extinguisher. |
A. ready to use the extinguisher. |
|
How often should portable fire extinguishers be removed from service for maintenance? |
A. Monthly |
C. Annually |