Food Extrusion Quiz
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Questions and Answers

What is the main purpose of food extrusion?

  • Heating food products
  • Separating food components
  • Cooling food products
  • Mixing and shaping food products (correct)

    • What type of extruder is less dependent on friction between material and barrel wall?

  • Triple screw extruder
  • Co-rotating twin screw extruder (correct)
  • Single screw extruder
  • Counter-rotating twin screw extruder

    • What is the solution to the risk of slip in single screw extruders when using components like fat and water in high quantities?

  • Spray fat on final product (correct)
  • Reduce the temperature of the extruder
  • Increase the speed of the extruder
  • Use additional water

    • Which type of product is starch able to form using single screw extruders?

    <p>Expanded products</p> Signup and view all the answers

    What is the main action of the twin screw extruder?

    <p>Pumping action by positive displacement</p> Signup and view all the answers

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