Mechanical Properties of Solids Quiz
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Questions and Answers

What is the modulus of rigidity also known as?

  • Poisson's ratio
  • Shear modulus (correct)
  • Bulk modulus
  • Young's modulus

    • Which type of stress is responsible for a change in shape or size of a body?

  • Shear stress
  • Tensile stress
  • Compressive stress
  • Volumetric stress (correct)

    • What happens to the value of Poisson's ratio for a material that expands laterally when stretched longitudinally?

  • Becomes zero
  • Remains constant
  • Decreases (correct)
  • Increases

    • What type of foam is a bath sponge?

    <p>Open-cell foam</p> Signup and view all the answers

    What are soap foams also known as?

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

    In closed-cell foam, how are the gas pockets arranged?

    <p>Discrete pockets, each completely surrounded by the solid material</p> Signup and view all the answers

    What happens in open-cell foam when water is introduced?

    <p>Water easily flows through the entire structure, displacing the air</p> Signup and view all the answers

    What is the general characteristic of gas in foams?

    <p>It divides into gas bubbles of different sizes</p> Signup and view all the answers

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