Introduction to Construction Materials & Testing
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Questions and Answers

What is the main feature of RichLite countertops?

  • Capable of self-repair
  • Infused with carbon fiber
  • Created using liquid granite
  • Made of 70% recycled paper (correct)
  • How does self-repairing cement repair cracks in sidewalks or roadways?

  • Deploys microcapsules releasing a glue-like epoxy resin (correct)
  • Mixes with liquid granite to create a new surface layer
  • Releases microcapsules that fill cracks with carbon fiber
  • Absorbs heat to expand and close up the cracks
  • What is the primary use of Flexicomb in construction?

  • Creating flexible honeycomb structures for lighting fixtures (correct)
  • Making solid sheets for countertops
  • Building lightweight furniture
  • Reinforcing surfaces like fiberglass
  • What makes carbon fiber a desirable material for engineering structures?

    <p>Lightweight, strong, and stiff properties</p> Signup and view all the answers

    Which industry was RichLite initially used in before being available for architectural purposes?

    <p>Aerospace and sports industries</p> Signup and view all the answers

    What unique feature does liquid granite offer for construction materials?

    <p>Custom moldability into various shapes</p> Signup and view all the answers

    What is the defining characteristic of polymers?

    <p>Molecular structure consisting of similar units bonded together</p> Signup and view all the answers

    Which material is known for being lighter than steel, aluminum, concrete, and brick?

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

    What distinguishes SensiTile from traditional tiles?

    <p>Embedded with acrylic fiber-optic channels for light transfer</p> Signup and view all the answers

    What is the main feature of electrified wood?

    <p>Can pass an electrical current through the whole thing</p> Signup and view all the answers

    What is a common property among metals, ceramics, polymers, and composites?

    <p>Used in the creation of composites like concrete</p> Signup and view all the answers

    Which type of material consists of aggregate, cement, additives, and water?

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

    What are engineering structures composed of?

    <p>Engineering materials</p> Signup and view all the answers

    Why is it necessary for civil engineers to be conversant with the properties of materials of construction?

    <p>To make final selection of building materials</p> Signup and view all the answers

    Which of the following is NOT a property that may be required in construction materials according to the text?

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

    What are the factors that form the basis of various systems of classifications of materials in material science and engineering?

    <p>The chemical composition of the material</p> Signup and view all the answers

    What do the service conditions of buildings demand according to the text?

    <p>A wide range of materials and various properties</p> Signup and view all the answers

    Why should civil engineers study materials properly before making the final selection for a particular use?

    <p>To avoid material failure and ensure suitability</p> Signup and view all the answers

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