Year 4 Term 1 - Chapter 6: Wear and Design Against Wear Failure
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Questions and Answers

What is the difference between erosion and corrosion?

  • Erosion is a chemical reaction between a material and its environment, while corrosion is a physical-mechanical process of material removal.
  • Erosion is a mechanical process of material removal from a sliding or rolling component, while corrosion is a physical-mechanical process of material removal by flow of wind or water.
  • Erosion is generally proportional to load and the distance of sliding, while corrosion is not influenced by load or sliding distance.
  • Erosion is a physical-mechanical process of material removal by flow of wind or water, while corrosion is a chemical reaction between a material and its environment. (correct)

    • Which type of wear is characterized by material removal due to the flow of wind or water?

  • Adhesive wear
  • Abrasive wear
  • Erosion wear (correct)
  • Fretting wear

    • What is necessary to determine when analyzing a wear problem in a machine?

  • The temperature at which the wear occurred
  • The chemical composition of the worn area
  • The type of lubricant used
  • The load and distance of sliding (correct)

    • What does tribology study?

    <p>The surfaces moving relative to one another</p> Signup and view all the answers

    What influences the occurrence of wear according to the text?

    <p>The load and distance of sliding</p> Signup and view all the answers

    What is the main focus of tribology?

    <p>Minimizing wear</p> Signup and view all the answers

    What does the term 'tribology' mean?

    <p>Study of wear and lubrication</p> Signup and view all the answers

    In which industries are the processes of friction and wear widespread?

    <p>A variety of industries</p> Signup and view all the answers

    What is the goal in components such as brakes and clutches in terms of sliding resistance?

    <p>Maximize sliding resistance</p> Signup and view all the answers

    What is a great problem in the mining industry according to the text?

    <p>Wear in machine elements</p> Signup and view all the answers

    What is the definition of friction according to the text?

    <p>Resistance to motion between solid bodies</p> Signup and view all the answers

    What factor often increases friction?

    <p>Load and surface area</p> Signup and view all the answers

    What is the role of lubrication in tribology?

    <p>To decrease wear</p> Signup and view all the answers

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