Mineral Materials I: Ceramics Quiz
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Questions and Answers

What is the term used for shaping ceramic materials at elevated temperatures or via melt flow with subsequent crystallization?

  • Annealing
  • Vitrification
  • Tempering
  • Sintering (correct)

Which of the following is NOT a common oxide ceramic material?

  • Silicon nitride (correct)
  • Alumina
  • Mullite
  • Zirconia

In ceramic materials, which type of bonding involves the atoms striving to adopt the noble gas configuration?

  • Ionic bond (correct)
  • Metallic bond
  • Covalent bond
  • Van der Waals bond

Which of the following is a common carbide material used in ceramics?

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

What does the % of ionic bonding in ceramic materials increase with?

<p>Increase in electronegativity difference (D)</p> Signup and view all the answers

Which type of ceramic bond shows the ability of an atom to attract electrons to itself in a bond?

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

Which of the following characteristics is NOT part of the definition of ceramic materials?

<p>Soluble in water (B)</p> Signup and view all the answers

What is the typical temperature range at which ceramic materials obtain their characteristic properties?

<p>Above 800°C (A)</p> Signup and view all the answers

Which of the following is an example of an oxide ceramic material mentioned in the text?

<p>Al2O3 (C)</p> Signup and view all the answers

What type of ceramic material is SiC?

<p>Non-oxide ceramic (D)</p> Signup and view all the answers

Which of the following topics is NOT mentioned in the content?

<p>The use of ceramic materials in nuclear reactors (B)</p> Signup and view all the answers

What is the percentage of ionic bonding in SiC?

<p>5-10% (C)</p> Signup and view all the answers

Which of the following crystal systems is not mentioned in the text?

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

What is the relationship between electronegativity and the percentage of ionic bonding in ceramic materials?

<p>The percentage of ionic bonding increases as the difference in electronegativity increases. (A)</p> Signup and view all the answers

Which of the following is not a factor influencing the crystal structure of ceramic materials?

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

What is the percentage of ionic bonding in Al2O3?

<p>70% (B)</p> Signup and view all the answers

What is the main rule for the formation of stable crystal structures in ceramic materials?

<p>Ensuring charge neutrality in the lattice. (B)</p> Signup and view all the answers

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