Fourth Year- First Term Wear and Design Against Wear Failure Chapter 6 Quiz
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Questions and Answers

What is the definition of erosion?

  • A mechanical process of material removal from a sliding component
  • A physical-mechanical process of material removal by flow of wind or water (correct)
  • A chemical reaction between a material and its environment
  • The study of surfaces moving relative to another one

    • What is necessary to determine in order to analyze a wear problem in a machine?

  • The load and distance of sliding (correct)
  • The microscopic examination of the worn area
  • The type of lubricant used
  • The chemical reaction between the material and its environment

    • What does tribology study?

  • The flow of wind or water causing material removal
  • The mechanical process of material removal from a sliding component
  • The movement of surfaces relative to each other (correct)
  • Chemical reactions between materials and their environment

    • Which type of wear is defined as a chemical reaction between a material and its environment?

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

    What is the main factor influencing wear in a machine?

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

    What is wear generally proportional to?

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

    What is the science and application of the principles of friction, wear, and lubrication?

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

    What does the Greek root 'tribo' mean in tribology?

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

    Which key topic in tribology involves the resistance to motion of one body moving against another?

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

    What is the use of a fluid to minimize friction and wear called in tribology?

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

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

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

    What component aims to minimize the resistance to sliding or rolling in order to limit energy loss to friction?

    <p>Bearings and gears</p> Signup and view all the answers

    Which manufacturing process relies on tribology for operations such as rolling, turning, stamping, grinding, and polishing?

    <p>Metal fabrication</p> Signup and view all the answers

    What are subject to wear in metal cutting operations (machining)?

    <p>Cutting tools</p> Signup and view all the answers

    In which industries are machine elements such as bearing and gear teeth subject to wear?

    <p>Mining and construction</p> Signup and view all the answers

    What is a great problem in the mining industry related to wear?

    <p>Crushers (liner and grinding balls)</p> Signup and view all the answers

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