Concrete Making and Curing Quiz

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Questions and Answers

Which of the following is NOT a component of concrete?

  • Chemical admixtures (correct)
  • Portland cement
  • Water
  • Aggregates

What percentage of the volume of concrete is occupied by aggregates?

  • 80% to 100%
  • 10% to 30%
  • 60% to 80% (correct)
  • 30% to 50%

What is the primary function of chemical admixtures in concrete?

  • To increase the strength of concrete
  • To improve workability of concrete (correct)
  • To reduce the cost of concrete
  • To provide color to concrete

What is the main characteristic of concrete that makes it a versatile construction material?

<p>Its ability to be molded into different shapes (D)</p> Signup and view all the answers

What type of water should be used in concrete?

<p>Water that is good enough to drink (A)</p> Signup and view all the answers

Which of the following is NOT a component of concrete?

<p>Chemical admixtures (A)</p> Signup and view all the answers

What is the main function of aggregates in concrete?

<p>To provide strength (C)</p> Signup and view all the answers

What is the primary purpose of curing concrete?

<p>To prevent cracking (D)</p> Signup and view all the answers

What is the recommended quality of water to be used in concrete?

<p>Water that is good enough to drink (C)</p> Signup and view all the answers

What is the chemical composition of cement?

<p>Crystalline compound of calcium (C)</p> Signup and view all the answers

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