Electrical Conductivity and Fabrication of Nonferrous Materials
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Questions and Answers

Which alloying material is present in beryllium copper in an amount less than 2%?

  • Aluminum
  • Beryllium (correct)
  • Zinc
  • Magnesium
  • What property of aluminum can be doubled with vigorous cold or hot working?

  • Melting point
  • Tensile strength (correct)
  • Ductility
  • Electrical conductivity
  • What is the range of tensile strength for copper alloys as mentioned in the text?

  • 200 MPa to 1000 MPa
  • 300 MPa to 1200 MPa
  • 200 MPa to 690 MPa
  • 200 MPa to 1380 MPa (correct)
  • For what purpose is copper with less than 5% alloying material used?

    <p>Low-resistance electrical wiring</p> Signup and view all the answers

    What are copper-zinc alloys commonly known as?

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

    Which property influences the decision to use copper in heat exchangers?

    <p>Corrosion resistance</p> Signup and view all the answers

    'Roll forming' is a process commonly used with which commercial form of aluminum alloys?

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

    'Indirect arc' is a term associated with which industrial process?

    <p>Induction furnaces</p> Signup and view all the answers

    'Coining' refers to shaping aluminum by:

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

    What is a common application for aluminum alloys mentioned in the text?

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

    What material is commonly used for low-resistance electrical wiring and conductors?

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

    Which alloying material is found in beryllium copper in an amount less than 2%?

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

    What process can be used with all wrought aluminum alloys according to the text?

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

    What is the tensile strength range of copper alloys based on the text?

    <p>$200 MPa - 690 MPa$</p> Signup and view all the answers

    What property of copper alloys makes them harder and brittle when cold worked?

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

    What influences the decision to use copper in a variety of parts according to the text?

    <p>$Resistance to corrosion$</p> Signup and view all the answers

    Which property of aluminum can be doubled with vigorous cold or hot working?

    <p>Tensile strength</p> Signup and view all the answers

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