Metals and Alloys Quiz
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Questions and Answers

In engineering work, why are alloys generally preferred over pure metals?

  • Alloys are cheaper than pure metals
  • Alloys have a higher melting point than pure metals
  • Alloys are easier to manufacture than pure metals
  • Alloys have superior properties compared to pure metals (correct)
  • What type of alloying involves the alloy elements located in spaces between atoms in the unit cell?

  • Substitutional alloying
  • Interstitial alloying (correct)
  • Phase alloying
  • Interstitial-substitutional alloying
  • Why are ordinary steels, which are alloys of iron and carbon, preferred to pure iron?

  • Due to their resistance to corrosion compared to pure iron
  • Due to their lower cost compared to pure iron
  • Due to their strength and other superior properties (correct)
  • Due to their higher electrical conductivity than pure iron
  • What do important mechanical properties of alloys relate to?

    <p>The solid phases that form from the combination of elements</p> Signup and view all the answers

    1.11

    <p>The eutectoid point for Iron-Carbon Systems occurs at a specific composition and temperature</p> Signup and view all the answers

    Study Notes

    Alloys in Engineering

    • Alloys are generally preferred over pure metals in engineering work due to their enhanced properties.

    Types of Alloying

    • Interstitial alloying involves the alloy elements located in spaces between atoms in the unit cell.

    Steels in Engineering

    • Ordinary steels, which are alloys of iron and carbon, are preferred to pure iron due to their improved properties.

    Mechanical Properties of Alloys

    • Important mechanical properties of alloys relate to strength, toughness, ductility, and resistance to corrosion and wear.

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    Description

    Test your knowledge of metals and alloys with this quiz covering topics such as types of alloying, Hume-Rothery rules, material systems, metal processing, and heat treatment of steel.

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