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

Which range of carbon content characterizes high carbon steel?

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

What does AISI stand for in the text?

<p>American Iron and Steel Institute (A)</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 (C)</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 (B)</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 (D)</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 (C)</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 (B)</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 (D)</p> Signup and view all the answers

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