Concrete Admixtures

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Questions and Answers

What is the percentage of fine aggregates after correction?

  • 37.00%
  • 33.55% (correct)
  • 35.55%
  • 39.45%

What is the water-cement ratio calculated from the given data?

  • 0.51
  • 0.47
  • 0.57
  • 0.46 (correct)

What is the difference in fineness modulus of sand from the standard value?

  • 0.5
  • 0.25 (correct)
  • 1.0
  • 0.75

What is the absolute volume of fine aggregates in cubic meters?

<p>0.0265 m3 (D)</p> Signup and view all the answers

What is the total correction percentage for the fine aggregates?

<p>-3.45% (D)</p> Signup and view all the answers

What is the absolute volume of coarse aggregates in cubic meters?

<p>0.0524 m3 (A)</p> Signup and view all the answers

What is the initial percentage of fine aggregates?

<p>37.00% (A)</p> Signup and view all the answers

What is the correction for water-cement ratio?

<p>-2.2% (B)</p> Signup and view all the answers

What is the correction for fineness modulus of sand?

<p>-1.25% (D)</p> Signup and view all the answers

What is the weight of fine aggregates calculated from the absolute volume and specific gravity?

<p>Weight of fine agg = Absolute vol.x S.G. (A)</p> Signup and view all the answers

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