Types and Phases of Combustion Quiz
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Questions and Answers

What is the primary oxidizing agent in the atmosphere?

  • Impurities
  • Oxygen (correct)
  • Carbon dioxide
  • Nitrogen

    • Which of the following is not a component of the fire tetrahedron?

  • Uninhibited chemical reaction
  • Fuel
  • Moisture (correct)
  • Heat

    • What type of reaction is combustion?

  • Endothermic
  • Pyrolysis
  • Oxidation
  • Exothermic (correct)

    • What is the minimum concentration of oxygen required for a fire to start?

    <p>12%</p> Signup and view all the answers

    Which of the following is not a step in the combustion process?

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

    What type of reaction is pyrolysis?

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

    What is the phase of combustion that produces incandescent gas?

    <p>Gas Phase (Flame)</p> Signup and view all the answers

    Which type of fire does not produce incandescent gas?

    <p>Flameless Type</p> Signup and view all the answers

    What is the literal meaning of 'ignition'?

    <p>Start of Fire</p> Signup and view all the answers

    What is Slow Oxidation often associated with?

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

    In which type of reaction does the process release heat to the surroundings?

    <p>Exothermic Reaction</p> Signup and view all the answers

    What takes place upon the introduction of oxygen in oxidation?

    <p>Chemical Change</p> Signup and view all the answers

    Which of the following best describes the rusting process?

    <p>An exothermic combustion reaction</p> Signup and view all the answers

    What is the term used to describe the sudden and dramatic simultaneous combustion of all solid materials in a room?

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

    Which of the following is NOT a type of rapid oxidation or dangerous behavior of fire?

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

    What is the term used to describe the sudden combustion that occurs upon the immediate introduction of oxygen?

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

    Which of the following is also known as a dust explosion?

    <p>Flash fire</p> Signup and view all the answers

    What is the process that creates a vacuum and extremely strong winds, propagating the fire?

    <p>Fire storm</p> Signup and view all the answers

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