Standard Testing Methods
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Questions and Answers

What is the purpose of the sieve used in the slump test?

  • To remove large aggregate particles (correct)
  • To mix the concrete
  • To compact the concrete
  • To measure the slump of the concrete

    • What is the minimum thickness of the metal mold used in the slump test?

  • 0.060 in. (correct)
  • 1.15 mm
  • 1.5 mm
  • 0.045 in.

    • What is the shape of the mold used in the slump test?

  • Frustum of a cone (correct)
  • Rectangular
  • Cylindrical
  • Triangular

    • What is the purpose of rodding in the slump test?

    <p>To compact the concrete</p> Signup and view all the answers

    What is the range of slumps for which the test method is considered applicable?

    <p>Between 1⁄2 in. and 9 in.</p> Signup and view all the answers

    What is the purpose of raising the mold in the slump test?

    <p>To measure the slump of the concrete</p> Signup and view all the answers

    What is the reference document for the practice of sampling freshly mixed concrete?

    <p>Practice C 172</p> Signup and view all the answers

    What is the purpose of the caution note in the test method?

    <p>To exercise caution in interpreting results for concretes with slumps less than 1⁄2 in. or greater than 9 in.</p> Signup and view all the answers

    What is the material requirement for the mold used in the slump test?

    <p>Metal not readily attacked by the cement paste</p> Signup and view all the answers

    What is the measurement reported as the slump of the concrete?

    <p>The vertical distance between the original and displaced position of the center of the top surface of the concrete</p> Signup and view all the answers

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