Corrosion Control Quiz
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Questions and Answers

What is the estimated annual global loss due to corrosion?

  • 4.5 billion dollars
  • 1.5 billion dollars
  • 3.5 billion dollars
  • 2.5 billion dollars (correct)
  • What are the main elements present in the atmosphere that react chemically with metals to cause corrosion?

  • Oxygen and carbon dioxide
  • Oxygen and nitrogen
  • Carbon dioxide and nitrogen
  • Moisture and oxygen (correct)
  • What happens to the metallic strength of metals when they are converted into their salts due to corrosion?

  • It remains the same
  • It increases
  • It decreases (correct)
  • It becomes unpredictable
  • What is the most familiar example of corrosion mentioned in the text?

    <p>Rusting of iron</p> Signup and view all the answers

    What useful properties of a metal are lost due to corrosion?

    <p>Malleability and ductility</p> Signup and view all the answers

    What is the estimated annual global loss due to corrosion?

    <p>2.5 billion dollars</p> Signup and view all the answers

    What is the most familiar example of corrosion mentioned in the text?

    <p>Rusting of iron</p> Signup and view all the answers

    What happens to the metallic strength of metals when they are converted into their salts due to corrosion?

    <p>It decreases</p> Signup and view all the answers

    What are the main elements present in the atmosphere that react chemically with metals to cause corrosion?

    <p>Oxygen and carbon dioxide</p> Signup and view all the answers

    What useful properties of a metal are lost due to corrosion?

    <p>Electrical conductivity and surface appearance</p> Signup and view all the answers

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