Properties of Tin and Zinc
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Questions and Answers

What is the melting point of aluminum in degrees Celsius?

  • 660 (correct)
  • 650
  • 670
  • 680
  • What is the primary purpose of 'ALCLAD' in aluminum products?

  • To increase strength
  • To enhance corrosion resistance (correct)
  • To improve aesthetic appeal
  • To reduce weight
  • What is the typical thickness of aluminum foil?

  • 0.005" (correct)
  • 0.01"
  • 0.05"
  • 0.001"
  • What is the primary use of aluminum sheet and strip?

    <p>Roofing and flashing</p> Signup and view all the answers

    What is the primary advantage of using aluminum in structural applications?

    <p>High strength-to-weight ratio</p> Signup and view all the answers

    What is the term for the process of shaping material by forcing it to flow through a shaped opening in a die?

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

    What is the primary composition of true bronze?

    <p>90% copper and 10% tin</p> Signup and view all the answers

    What is a key benefit of brass alloys compared to steels?

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

    What is the copper-zinc proportion range in brass alloys?

    <p>95% copper and 5% zinc to 55% copper and 45% zinc</p> Signup and view all the answers

    What is a common use of brass alloys?

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

    What is the key difference between bronze and brass alloys?

    <p>Tin and zinc content</p> Signup and view all the answers

    What is a characteristic of bronze that makes it suitable for casting?

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

    Which metal is known for its high electrical and thermal conductivity, aside from silver?

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

    What is the term for the green color that forms on copper when exposed to air and salt water?

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

    What is the primary use of tin?

    <p>As a protective coating</p> Signup and view all the answers

    Which type of steel alloy is characterized by improved mechanical properties and resistance to atmospheric corrosion?

    <p>High-Strength low-alloy steel</p> Signup and view all the answers

    What is the term for the thin film that covers tin, providing corrosion resistance?

    <p>Stannic oxide</p> Signup and view all the answers

    What is the primary application of high-strength low-alloy steels?

    <p>All of the above</p> Signup and view all the answers

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