Materials and Their Properties
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Questions and Answers

What type of properties do different materials possess?

  • Mechanical and economic properties
  • Only mechanical properties
  • Only physical properties
  • Mechanical, electrical, thermal, chemical, magnetic, physical, and economic properties (correct)

    • A design engineer is primarily interested in the behavior of materials under which type of load for the design of machines & structures?

  • Mechanical load (correct)
  • Magnetic load
  • Chemical load
  • Thermal load

    • What determines how a material will behave under an applied load?

  • Type of material and magnitude of the load (correct)
  • Price of the material
  • Recyclability of the material
  • Availability of the material

    • Which natural material is mentioned in the text as having unique properties such as wood, leather, and cotton/wool/silk?

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

    What is one of the properties that is NOT mentioned as a consideration for materials in the text?

    <p>Color properties</p> Signup and view all the answers

    Which type of composites are Fibreglass (GFRP) and Carbon-fibre reinforced polymers (CFRP)?

    <p>(GFRP) Glass-fibre reinforced polymers</p> Signup and view all the answers

    What does a design engineer focus on when designing machines & structures?

    <p>Mechanical behavior of materials under load</p> Signup and view all the answers

    'Filled polymers' are an example of what type of material?

    <p>'Non-filled' polymers</p> Signup and view all the answers

    How do different materials behave under given conditions?

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

    What aspect of materials is a design engineer primarily interested in for the design of machines & structures?

    <p>Mechanical properties</p> Signup and view all the answers

    When a material is subjected to a load, what does it do depending on the load magnitude?

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

    Which property of materials is NOT mentioned in the text as a consideration for design engineers?

    <p>Structural properties</p> Signup and view all the answers

    What type of properties are included in the consideration of materials according to the text?

    <p>Economic properties</p> Signup and view all the answers

    In the context of materials, what does 'yield' refer to when a material is under load?

    <p>Material undergoing plastic deformation</p> Signup and view all the answers

    Which type of materials are Fibreglass (GFRP) and Carbon-fibre reinforced polymers (CFRP)?

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

    What determines the behavior of a material under an applied load according to the text?

    <p>Magnitude of the load</p> Signup and view all the answers

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