Metals Properties Quiz
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Questions and Answers

What is the formula for engineering strain?

  • ∈e = (L - Lo) / Lo (correct)
  • ∈e = Lo / (Lo - L)
  • ∈e = (Lo - L) / L
  • ∈e = L / (L - Lo)
  • What are the units of engineering strain typically given in?

  • m/m
  • Strain has no units
  • cm/cm
  • mm/mm (correct)
  • What are the two regions of the stress-strain relationship?

  • Linear and non-linear
  • Plastic and ductile
  • Elastic and plastic (correct)
  • Elastic and brittle
  • In the elastic region, what law defines the relationship between stress and strain?

    <p>Hooke's law</p> Signup and view all the answers

    What is the modulus of elasticity (Young's modulus) a measure of?

    <p>The stiffness of a material</p> Signup and view all the answers

    What does the yield point of a material represent?

    <p>The point where the material begins to yield and undergo plastic deformation</p> Signup and view all the answers

    After the yield point, does the stress-strain relationship follow Hooke's law?

    <p>No</p> Signup and view all the answers

    What is another name for the yield point?

    <p>Elastic limit</p> Signup and view all the answers

    What is the formula for calculating stress based on Hooke's law?

    <p>σ = E∈</p> Signup and view all the answers

    What is the yield strength of a material often used to represent?

    <p>The stress at which the material begins to yield and undergo plastic deformation</p> Signup and view all the answers

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