Metal, Glass, and Ceramic Foams Applications
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Questions and Answers

What is a common characteristic of polymers?

  • High compressive strength
  • High corrosion resistance
  • Low specific weight
  • Low thermal conductivity (correct)

Which type of foam is characterized by low thermal conductivity and high compression strength?

  • Glass Foam (correct)
  • Metal Foam
  • Ceramic Foam
  • Polymer Foam

What is a key advantage of Metal Foams?

  • Low specific weight
  • High energy absorption (correct)
  • High specific strength
  • Good filtration adsorption

Which industry commonly uses Polymer Foams?

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

What is a distinguishing feature of Ceramic Foam?

<p>High temperature resistance (A)</p> Signup and view all the answers

In which type of glass is fiber optics used?

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

In a flake composite, how is the flakes dispersion in the matrix described?

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

What is the function of the fibers in fiber-reinforced composites?

<p>Primary load-carrying constituent (C)</p> Signup and view all the answers

What type of composite is composed of completely bonded thin elementary layers?

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

What distinguishes advance materials from conventional materials?

<p>Distinct advantage/s in performance (B)</p> Signup and view all the answers

Which type of composite involves concrete mixed with glass fiber optical strands to create a solid but sheer block?

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

What is the purpose of using Flexicomb, which involves pressing metal layers between wood?

<p>Allowing electric current to pass through structure (A)</p> Signup and view all the answers

Which type of foam is commonly used for filtering molten metal or hot gas?

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

What is one of the main characteristics of pure metals according to the text?

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

Which material is classified as non-ferrous and has very low permeability?

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

What is the main purpose of reinforcement in composite materials?

<p>To enhance mechanical properties (B)</p> Signup and view all the answers

Which type of matrix constituent is used in Carbon Matrix composites?

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

What characteristic makes composite materials desirable for many applications?

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

What are the factors affecting the system of classification of materials in material science and engineering?

<p>Chemical composition, mode of occurrence, refining process, atomic structure, industrial use (D)</p> Signup and view all the answers

Which type of material comes from plants, animals, or the earth and can be organic or inorganic?

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

What characterizes inorganic crystalline materials?

<p>Strong and hard but also very brittle (B)</p> Signup and view all the answers

What is a common use of natural materials in construction?

<p>Making tiles, flooring, and bricks (B)</p> Signup and view all the answers

What characterizes non-crystalline, amorphous materials?

<p>Transparent, brittle, chemically inert (D)</p> Signup and view all the answers

What distinguishes advanced ceramics like alumina and zirconia from other materials?

<p>Non-conductive nature and brittleness (A)</p> Signup and view all the answers

What is the main characteristic of RichLite Self-Repairing Cement Countertops?

<p>Made of 70% recycled paper (A)</p> Signup and view all the answers

Which feature makes Carbon Fiber a desirable material?

<p>5x strength, 2x stiff (C)</p> Signup and view all the answers

What sets Bendable Concrete apart from conventional concrete?

<p>Resistant to cracking (A)</p> Signup and view all the answers

What is the defining characteristic of Concrete Canvas?

<p>Fire-resistant properties (C)</p> Signup and view all the answers

What distinguishes Low E-glass/film in terms of light management?

<p>Reflects heat effectively (A)</p> Signup and view all the answers

What is the main advantage of Paper Insulation compared to chemical foams?

<p>Insect-resistant and fire-retardant (D)</p> Signup and view all the answers

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