Separation of Mixtures in Chemical Engineering
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Questions and Answers

What occurs when a flammable vapour cloud spreads from too rich, through the flammable range to too lean?

  • Cloud does not react
  • Immediate explosion
  • Edges start to burn through deflagration (correct)
  • Cloud disperses through containment
  • What is the term for the concentration of a substance below which it will not ignite?

  • Toxic Release Level
  • Upper Explosive Limit (UEL)
  • Flammable Range Limit
  • Lower Explosive Limit (LEL) (correct)
  • What can cause a vapour cloud to detonate?

  • Low flame velocity
  • High flame velocity (correct)
  • Small cloud size
  • Natural convection
  • What is the term for the release of toxic chemicals into the environment?

    <p>Toxic Release</p> Signup and view all the answers

    What is the environment defined as in the context of process safety?

    <p>Water, air, and land and the interrelationship between them</p> Signup and view all the answers

    What is the purpose of the Emergency Planning and Community Right-to-Know Act?

    <p>To provide emergency planning and community right-to-know</p> Signup and view all the answers

    What type of explosion can occur when a vapour cloud is confined?

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

    What is the term for a substance that can cause severe illness, poisoning, birth defects, disease, or death when ingested, inhaled, or absorbed by living organisms?

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

    What is the term for the maximum concentration of a substance that will ignite?

    <p>Upper Explosive Limit (UEL)</p> Signup and view all the answers

    What is the term for a fire that spreads quickly, often in a sudden and unexpected manner?

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

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