Firefighter Foam Extinguishing Agents Quiz
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Questions and Answers

What should firefighters use to extinguish liquid fuels that are not water-soluble?

  • Appropriate foam or chemical agent (correct)
  • Fire extinguisher
  • Water
  • Sand
  • Why is it important for firefighters to use the appropriate foam or chemical agent?

  • To add color to the fire
  • To produce smoke for visibility
  • To increase the temperature of the fire
  • To create a barrier between the fuel and oxygen (correct)
  • Which type of fuel would NOT be effectively extinguished using water?

  • Alcohol
  • Wood
  • Petrol (Gasoline) (correct)
  • Kerosene
  • What could happen if a firefighter uses water to extinguish a non water-soluble liquid fuel fire?

    <p>The fire will spread faster</p> Signup and view all the answers

    Which of the following is a wise approach for firefighters dealing with non water-soluble liquid fuel fires?

    <p>Use appropriate foam or chemical agents as required</p> Signup and view all the answers

    What is the main cause of vertical movement in convection?

    <p>Buoyancy of smoke and fire gases</p> Signup and view all the answers

    Which factor can lead to convection occurring in any direction?

    <p>Buoyancy of smoke and fire gases</p> Signup and view all the answers

    Why does convection primarily involve vertical movement?

    <p>Due to the buoyancy of smoke and fire gases</p> Signup and view all the answers

    What role does buoyancy play in convection?

    <p>Driving vertical movement</p> Signup and view all the answers

    In convection, what is the primary reason for the upward movement of smoke and fire gases?

    <p>Buoyancy forces</p> Signup and view all the answers

    What can happen in large fires in terms of radiated heat?

    <p>It can ignite buildings or fuel packages far away</p> Signup and view all the answers

    How does radiated heat behave in large fires towards surrounding structures?

    <p>It poses a risk of igniting buildings at a distance</p> Signup and view all the answers

    In large fires, what is the effect of radiated heat on distant structures?

    <p>It can start fires in buildings far away</p> Signup and view all the answers

    What is a potential consequence of radiated heat from large fires?

    <p>Igniting structures located at a distance</p> Signup and view all the answers

    How might radiated heat impact buildings or fuel packages in a large fire?

    <p>By causing ignition at a considerable distance</p> Signup and view all the answers

    What has the use of plastics and other synthetic materials done to the fuel load in different occupancies?

    <p>Dramatically increased the fuel load</p> Signup and view all the answers

    How has the fuel load been affected by the increased use of plastics in occupancies?

    <p>Increased dramatically</p> Signup and view all the answers

    Which material has contributed to a significant increase in the fuel load in occupancies?

    <p>Plastics</p> Signup and view all the answers

    In what way has the fuel load changed due to the use of plastics and synthetic materials?

    <p>Increased significantly</p> Signup and view all the answers

    What effect has the use of plastics and synthetic materials had on the fuel load in occupancies?

    <p>Dramatically increased it</p> Signup and view all the answers

    What happens when a compartment fire enters the incipient stage?

    <p>Radiant heat warms the adjacent fuel and continues pyrolysis.</p> Signup and view all the answers

    What effect does radiant heat have on the adjacent fuel in the incipient stage of a compartment fire?

    <p>It warms the fuel and continues pyrolysis.</p> Signup and view all the answers

    In the early stages of a compartment fire, what role does radiant heat play in relation to adjacent fuel?

    <p>It warms the fuel and continues pyrolysis.</p> Signup and view all the answers

    How does radiant heat affect adjacent fuel as a compartment fire progresses into the incipient stage?

    <p>It warms the fuel and continues pyrolysis.</p> Signup and view all the answers

    Which statement accurately describes what radiant heat does to adjacent fuel during the incipient stage of a compartment fire?

    <p>It warms the fuel and continues pyrolysis.</p> Signup and view all the answers

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