Concrete & Cement-Based Materials Lecture 03 Quiz
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Questions and Answers

What is the source of Terrazzo?

  • Finely pulverized clay and limestone (correct)
  • Historical context
  • Manufactured
  • Environmental impact and sustainability

Which of the following are applications for Cement as mentioned in the text?

  • Cast stone (correct)
  • Precast terrazzo
  • Epoxy matrices
  • Divider strips

What is used to separate colors in terrazzo flooring installations?

  • Environmental impact and sustainability
  • Divider strips (correct)
  • Epoxy matrices
  • Installation costs

What plays a crucial role in maintaining the structural integrity of poured terrazzo installations?

<p>All (D)</p> Signup and view all the answers

Which of the following is a common misconception about terrazzo installation costs?

<p>$20 per square foot is a common cost (D)</p> Signup and view all the answers

What is responsible for binding aggregates together in terrazzo flooring?

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

What is terrazzo typically constructed on?

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

What material can be used to improve the tensile strength of concrete?

<p>Steel reinforcement (D)</p> Signup and view all the answers

What is used to bond precast terrazzo tiles and bases?

<p>Epoxy matrices (D)</p> Signup and view all the answers

In terrazzo installations, what can be used to create division between different sections?

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

Which material is NOT commonly used as a base for terrazzo?

<p>Ceramic (D)</p> Signup and view all the answers

What contributes significantly to the installation costs of terrazzo?

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

What is the primary difference between cast-in-place concrete and precast concrete?

<p>Cast-in-place concrete is poured on-site, while precast concrete is made in a factory under controlled conditions. (B)</p> Signup and view all the answers

What chemical reaction occurs when cement and aggregate are mixed with water?

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

What material was typically used by the ancient Romans as a binder in their concrete?

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

Which type of concrete is delivered to a construction site by truck?

<p>Ready-mixed concrete (A)</p> Signup and view all the answers

What properties are considered when selecting manufactured precast products?

<p>Size, durability, shape, texture, abrasion, and skid resistance (D)</p> Signup and view all the answers

What is the purpose of divider strips in concrete applications?

<p>To prevent cracks from expanding (C)</p> Signup and view all the answers

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