Engineering Materials Overview
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Questions and Answers

Which type of steel is known for having a higher carbon content, making it exceptionally hard?

  • Cast iron (correct)
  • Stainless steel
  • Engineering steel
  • Wrought iron
  • What property makes wrought iron prone to rust?

  • Low resistance to corrosion (correct)
  • A silver-like color
  • Usually magnetic
  • Great tensile strength
  • Which type of steel becomes even tougher with the introduction of elements like chromium and nickel?

  • Cast iron
  • Stainless steel
  • Wrought iron
  • Engineering steel (correct)
  • What characteristic of stainless steel makes it widely used in construction and manufacturing industries?

    <p>Low resistance to corrosion</p> Signup and view all the answers

    Which type of steel is often used for items like stairs, platforms, walkways, and moveable partition supports?

    <p>Engineering steel</p> Signup and view all the answers

    What is a common application of powder-coated steel according to the text?

    <p>Toilet partitions and lockers</p> Signup and view all the answers

    Which type of steel incorporates elements such as chromium, nickel, and titanium to impart greater strength and durability without increasing weight?

    <p>Stainless steel</p> Signup and view all the answers

    In which application is cast iron commonly used?

    <p>Automobile engines</p> Signup and view all the answers

    What gives wrought iron excellent resistance to corrosion and oxidation?

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

    Which type of iron is almost pure iron with very little carbon content?

    <p>Wrought iron</p> Signup and view all the answers

    What property makes cast iron resistant to wear?

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

    Which element is NOT typically incorporated into engineering steels like stainless steel?

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

    What is the primary use of copper in the electrical industry?

    <p>Production of wire and other conductors</p> Signup and view all the answers

    Which metal is valued for its strength and corrosion resistance among the listed nonferrous metals?

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

    What does the addition of aluminum do to brass?

    <p>Improves strength and corrosion resistance</p> Signup and view all the answers

    Which metal is red in color and is highly ductile and malleable?

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

    What property makes aluminium a suitable choice for the manufacturing of aircraft?

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

    Which metal is steel-gray, lustrous, hard, and takes a high polish?

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

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