Cement and Concrete Tests Quiz
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Questions and Answers

What laboratory test is specifically used to determine the compressive strength of cement?

  • Setting time
  • Fineness test
  • Soundness
  • Compressive strength test (correct)
  • Which constituent of concrete acts as a filler?

  • Water
  • Fine aggregate
  • Cement
  • Coarse aggregate (correct)
  • What is the primary function of cement in concrete?

  • Acts as a filler
  • Bonds the mixture together (correct)
  • Fills up voids between paste and aggregates
  • Adds workability to the mix
  • Which test is conducted to assess the splitting tensile strength of concrete?

    <p>Tensile strength test</p> Signup and view all the answers

    What is the main purpose of the cube test in concrete quality assessment?

    <p>To evaluate compressive strength</p> Signup and view all the answers

    Which property of concrete prevents the corrosion of steel reinforcement?

    <p>Coefficient of thermal expansion matching with steel</p> Signup and view all the answers

    What is the term used to describe the time taken between the addition of water and cement when the mixture starts losing its plasticity?

    <p>Initial setting time</p> Signup and view all the answers

    Which compound in cement reacts first upon the addition of water, generating heat during hydration?

    <p>C3A</p> Signup and view all the answers

    Which compound in cement hydrates early and imparts early age strength?

    <p>C3S</p> Signup and view all the answers

    What is the main purpose of Calcium Silicate Hydrate (C-S-H gel) in cement?

    <p>Impart strength</p> Signup and view all the answers

    During a field test for cement, what should be the color of the cement as per the given text?

    <p>Greenish grey</p> Signup and view all the answers

    What is the term used to describe the test where a handful of cement particles are thrown into water to check their behavior?

    <p>Float-sink test</p> Signup and view all the answers

    What is the primary function of cement in construction?

    <p>To act as a binding material</p> Signup and view all the answers

    What is the significance of the cube test in relation to construction materials?

    <p>Determining the compressive strength of concrete</p> Signup and view all the answers

    Who is credited with patenting Portland Cement and giving it its name?

    <p>Joseph Aspidin</p> Signup and view all the answers

    Which type of cement is commonly used in India and ranks as the second most consumed material after water globally?

    <p>Ordinary Portland Cement (OPC)</p> Signup and view all the answers

    In the classification of Ordinary Portland Cement (OPC), what does the grading 'Grade 53' signify?

    <p>High compressive strength cement</p> Signup and view all the answers

    Which type of cement is known for its resistance to sulphates in harsh environmental conditions?

    <p>Sulphate Resistant Cement</p> Signup and view all the answers

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