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6.4: Review

  • Page ID
    66920
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    1. What is the difference between a fuel-controlled fire and a ventilation-controlled (oxygen-limited) fire, and why are modern structure fires often ventilation-controlled?
    2. Define flashover and identify at least three warning signs that firefighters may observe as a compartment approaches flashover conditions.
    3. What is a backdraft, and what conditions must exist for a backdraft to occur?
    4. Describe how a fire plume, ceiling jet, and upper layer develop within a compartment fire and how they contribute to fire spread.
    5. What is a flow path, and how can opening a door or window change fire behavior inside a structure?
    6. A firefighter arrives at a structure fire and observes smoke pushing from a doorway with a lowering neutral plane and visible pyrolysis of furniture throughout the room. What fire behavior event is likely developing, and what actions should the firefighter consider to improve safety?

    This page titled 6.4: Review was last modified on Fri, 21 Aug 2026 02:07:57 GMT and is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Robert Smith.

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