Cement Composition and Admixtures
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Questions and Answers

What type of cement should be selected for a specific use?

  • A type appropriate for the intended use (correct)
  • The most expensive type of cement
  • The cheapest type of cement
  • Any type of cement

    • What is a requirement for using fly ash as part replacement of ordinary Portland cement?

  • Get permission from the engineer-in-charge
  • Use a specific type of cement
  • Use a specific ratio of fly ash to cement
  • Ensure uniform blending with cement (correct)

    • Which grade of ordinary Portland cement conforms to IS 269?

  • 63 Grade
  • 33 Grade (correct)
  • 43 Grade
  • 53 Grade

    • What should consumers do to avoid problems in concrete making?

    <p>Seek specialist advice</p> Signup and view all the answers

    What is a characteristic of hydrophobic cement?

    <p>It is a type of cement that repels water</p> Signup and view all the answers

    What type of cement conforms to IS 12600?

    <p>Low heat Portland cement</p> Signup and view all the answers

    What is a requirement for using pozzolanic materials?

    <p>Get permission from the engineer-in-charge</p> Signup and view all the answers

    What type of cement is suitable for use in sulphate resisting Portland construction?

    <p>Sulphate resisting Portland cement</p> Signup and view all the answers

    What type of cement conforms to IS 1489 (Part 1)?

    <p>Portland pozzolana cement (fly ash based)</p> Signup and view all the answers

    What is a characteristic of silica fume?

    <p>It can be used as part replacement of cement</p> Signup and view all the answers

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