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5.6: Review

  • Page ID
    66708
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    1. What is pyrolysis, and why is it necessary for most solid fuels such as wood and plastics to burn?
    2. Describe the four phases of fire development (incipient, growth, fully developed, and decay) and explain what characterizes each phase.
    3. How does the surface-to-mass ratio of a fuel influence ignition and fire growth? Provide an example of a fuel with a high surface-to-mass ratio.
    4. What is the difference between thermally thick and thermally thin materials, and how does thermal inertia affect a fuel’s ignition characteristics?
    5. How do fuel orientation and geometry influence flame spread and overall fire behavior? Give an example of how changing a fuel's orientation can affect its burning rate.
    6. Why are dust explosions and combustible metal fires considered especially hazardous, and what factors make these incidents difficult for firefighters to manage safely?

    This page titled 5.6: Review was last modified on Fri, 21 Aug 2026 02:07:58 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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