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 (C)</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 (B)</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 (B)</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 (B)</p> Signup and view all the answers

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

<p>C3A (C)</p> Signup and view all the answers

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

<p>C3S (C)</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 (C)</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 (A)</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 (D)</p> Signup and view all the answers

What is the primary function of cement in construction?

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

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

<p>Joseph Aspidin (A)</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) (C)</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 (A)</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 (D)</p> Signup and view all the answers

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