Properties of Reinforced Concrete Materials
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Questions and Answers

What is the main binding material in concrete?

  • Iron filings
  • Lime
  • Cement (correct)
  • Water
  • In its fresh state, concrete is best described as:

  • Gaseous
  • Solid
  • Fluid-like
  • Plastic (correct)
  • Which material is used as filler in concrete to reduce costs and provide strength?

  • Iron filings
  • Round gravel (correct)
  • Gaseous clay
  • Brick ballast
  • What happens to the fluid-like concrete with time?

    <p>It hardens and becomes stone-like</p> Signup and view all the answers

    Apart from cement, what other material can be used as a binding material in concrete?

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

    What term is synonymous with 'filler material' in concrete?

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

    What is the purpose of having well-graded stone aggregate in concrete?

    <p>To allow the hardening of concrete</p> Signup and view all the answers

    What is the classification of aggregate based on particle size?

    <p>Coarse and fine aggregates</p> Signup and view all the answers

    Which material is commonly referred to as fine aggregate?

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

    What is the main purpose of adding water to fresh concrete?

    <p>To allow hardening through a chemical reaction</p> Signup and view all the answers

    Why is concrete reinforced with steel bars when there is a possibility of significant tension?

    <p>To resist tension in the concrete</p> Signup and view all the answers

    What is the key difference between Plain Cement Concrete (PCC) and Reinforced Concrete (RC)?

    <p>Reinforcement with steel bars</p> Signup and view all the answers

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