Equipment for Drying Chamber Quiz
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Questions and Answers

What is the point where the humidity at the surface of a solid is in equilibrium with the surrounding atmosphere called?

  • Falling rate period
  • Equilibrium moisture content (correct)
  • Constant rate period
  • Drying curve
  • Which type of solid materials are mainly inorganic in nature?

  • Neither crystalline nor amorphous materials
  • Amorphous materials
  • Both crystalline and amorphous materials
  • Crystalline materials (correct)
  • Which type of solid materials can withstand high temperatures during drying?

  • Amorphous materials
  • Both crystalline and amorphous materials
  • Crystalline materials (correct)
  • Neither crystalline nor amorphous materials
  • Which type of dryer is used for solid materials?

    <p>Tray dryer</p> Signup and view all the answers

    Which type of dryer is used for fluids, suspensions, and emulsions?

    <p>Spray dryer</p> Signup and view all the answers

    Which type of dryer is used to freeze-dry materials?

    <p>Freeze dryer</p> Signup and view all the answers

    What is the main characteristic of the drying curve for amorphous materials?

    <p>Mainly a falling rate period ending at a high equilibrium moisture content</p> Signup and view all the answers

    What is the main characteristic of the drying curve for crystalline materials?

    <p>Mainly a constant rate period ending at a low critical moisture content</p> Signup and view all the answers

    Which type of dryer uses a fluidized bed to dry the material?

    <p>Fluidized bed dryer</p> Signup and view all the answers

    Which type of dryer uses a rotating drum to dry the material?

    <p>Drum dryer</p> Signup and view all the answers

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