Building Materials Classification Quiz
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Questions and Answers

Which of the following statements about bulk density and density is true?

  • Bulk density is always greater than density.
  • Bulk density and density are equivalent terms.
  • Bulk density is the mass of a unit volume of material in its natural state, while density is the mass of unit volume of homogeneous material. (correct)
  • Bulk density is the ratio of volume of voids to the volume of solids, while density is the ratio of volume of voids to the total volume.

    • What is the correct definition of void ratio?

  • Void ratio is the ratio of volume of solids to the volume of voids.
  • Void ratio is the ratio of volume of voids to the volume of solids. (correct)
  • Void ratio is the ratio of volume of solids to the total volume.
  • Void ratio is the ratio of volume of voids to the total volume.

    • What is the definition of water absorption according to the text?

  • Water absorption is the ability of a material to endure weathering.
  • Water absorption is the ability of the material to absorb and retain water. (correct)
  • Water absorption is the ratio of volume of voids to the volume of solids.
  • Water absorption is the mass of a unit volume of material in its natural state.

    • What does porosity measure?

    <p>Porosity measures the ratio of volume of voids to the total volume.</p> Signup and view all the answers

    What does weathering resistance measure?

    <p>Weathering resistance measures the ability of a material to endure all.</p> Signup and view all the answers

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