Multiphase Systems and Phase-Change Operations in Food Engineering Quiz
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Questions and Answers

What are the phase-change operations in multiphase systems?

  • Vaporization, sublimation, crystallization, deposition
  • Condensation, vaporization, sublimation, fusion
  • Boiling, sublimation, deposition, fusion
  • Freezing, melting, evaporation, condensation (correct)

What does a phase diagram represent?

  • Graphical representation of physical states under different temperature and pressure conditions (correct)
  • Graphical representation of concentration changes under different temperature and pressure conditions
  • Graphical representation of energy changes under different temperature and pressure conditions
  • Graphical representation of chemical reactions under different temperature and pressure conditions

Which processes are examples of multiphase separation processes?

  • Brewing a cup of coffee, removal of sulfur dioxide from a gas stream, recovery of methanol from an aqueous solution (correct)
  • Distillation, filtration, crystallization
  • Sublimation, sedimentation, decantation
  • Osmosis, reverse osmosis, dialysis

What are the phase-change operations in single-component systems?

<p>Freezing, melting, evaporation, condensation (A)</p> Signup and view all the answers

What is the purpose of a phase diagram?

<p>To show conditions under which a pure substance exists in a particular phase (B)</p> Signup and view all the answers

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