Properties of Alloys
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Questions and Answers

What is the definition of an alloy?

  • A pure metal with no other substances
  • A non-metal combined with other substances resulting in inferior properties
  • A mixture of two or more metals
  • A metal combined with other substances resulting in superior properties (correct)

    • What is the majority component of an alloy?

  • The alloying agent
  • A metalloid
  • A non-metal
  • The parent metal (correct)

    • What is the purpose of adding alloying agents to a metal?

  • To decrease the strength of the metal
  • To improve the properties of the metal (correct)
  • To decrease the durability of the metal
  • To increase the cost of the metal

    • What is an example of an alloy composed of one metal and a non-metal?

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

    Why is steel used in the construction of bridges and large buildings?

    <p>Because it has the property of toughness and tensile strength</p> Signup and view all the answers

    What is the purpose of adding carbon to iron to create steel?

    <p>To give it the property of toughness and tensile strength</p> Signup and view all the answers

    What would happen to a bridge made only of iron if it receives a sudden blow?

    <p>It would break or snap</p> Signup and view all the answers

    What is the advantage of using steel in construction over using iron?

    <p>It can absorb shocks and vibrations</p> Signup and view all the answers

    What is the purpose of alloying elements in steel?

    <p>To further improve the physical properties of the steel</p> Signup and view all the answers

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