Metals Module 4 Quiz
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Questions and Answers

What is the specific gravity of aluminum?

  • 2.7 (correct)
  • 2.2
  • 1.8
  • 3.5
  • What is the primary reason for using aluminum in its pure state?

  • Thermal conductivity
  • High strength
  • Workability (correct)
  • Corrosion resistance
  • What is the electrical conductivity of EC grade aluminum compared to copper?

  • Half of copper on an equal-weight basis
  • Equal to that of copper of the same size
  • 62% that of copper of the same size and 200% of copper on an equal-weight basis (correct)
  • 25% that of copper of the same size
  • What limits the use of aluminum in its pure state in structural applications?

    <p>Low modulus of elasticity</p> Signup and view all the answers

    Which property makes aluminum primarily used for its physical rather than mechanical properties?

    <p>&quot;Optimal reflectivity&quot;</p> Signup and view all the answers

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