Aircraft Materials Properties Quiz
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Questions and Answers

What does the first two digits in an SAE number indicate?

  • Middle of the carbon range
  • Type of steel (correct)
  • Approximate amount of major alloying element
  • Safety usage
  • Which metal is widely used in modern aircraft construction?

  • Magnesium
  • Iron
  • Copper
  • Titanium (correct)
  • What is the role of copper in the text?

  • Widely distributed metal (correct)
  • Vastly superior to iron alone
  • Used for fuselage skins
  • Making flat springs
  • What is the purpose of spark testing mentioned in the text?

    <p>Identifying various metals</p> Signup and view all the answers

    Which range of carbon content characterizes high carbon steel?

    <p>$0.50 - 1.05$%</p> Signup and view all the answers

    What does AISI stand for in the text?

    <p>American Iron and Steel Institute</p> Signup and view all the answers

    What property is most important for an aircraft material to resist deformation and stress without breaking?

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

    Which property refers to the weight of a unit volume of a material and is an important consideration to maintain the proper weight and balance of an aircraft?

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

    What property enables a metal to be permanently drawn, bent, or twisted, and is essential in making wire and tubing?

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

    Which type of aluminum is prone to breaking or cracking when subjected to stress without changing its shape?

    <p>Cast aluminum</p> Signup and view all the answers

    What is the property that refers to the ability of a material to resist abrasion, penetration, and cutting action?

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

    What property allows a metal to withstand tearing or shearing, making it a desirable property in aircraft metals?

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

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