Corrosion And Flange Isolation Specialty 1.1

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| By WestermannBoltin
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Quizzes Created: 1 | Total Attempts: 231
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  • 1/7 Questions

    Corrosion is an electrochemical process

    • True
    • False
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Corrosion And Flange Isolation Specialty 1.1 - Quiz
About This Quiz

Explore the fundamentals of corrosion in 'Corrosion and Flange Isolation Specialty 1.1'. This quiz assesses understanding of electrochemical processes, anode behavior, galvanic series misconceptions, effects of stray currents, types of corrosion, and coating integrity. Essential for learners in engineering and materials science.


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  • 2. 

    In the corrosion cell, the Anode corrodes.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    In a corrosion cell, the anode is the electrode where oxidation occurs. Oxidation involves the loss of electrons, causing the anode to corrode. Therefore, it is correct to say that the anode corrodes in a corrosion cell.

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  • 3. 

    The Galvanic Series will indicate the exact rate of corrosion between two metals.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The Galvanic Series does not indicate the exact rate of corrosion between two metals. Instead, it provides a ranking of metals and alloys based on their relative likelihood of undergoing galvanic corrosion when in contact with each other in an electrolyte. The series helps in identifying which metal will act as an anode (more likely to corrode) and which will act as a cathode (less likely to corrode) in a galvanic couple. However, it does not provide specific information about the rate of corrosion.

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  • 4. 

    Stray currents can accelerate corrosion in underground structures.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Stray currents, which are unintended electrical currents, can indeed accelerate corrosion in underground structures. These currents can flow through the soil and come into contact with metal structures, causing electrochemical reactions that lead to corrosion. This is a well-known phenomenon in the field of corrosion engineering, and measures are often taken to mitigate the effects of stray currents on underground infrastructure. Therefore, the statement "Stray currents can accelerate corrosion in underground structures" is true.

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  • 5. 

    Which type of corrosion is not likely to cause immediate catastrophic failure:

    • Stress Corrosion Crack

    • Pitting Corrosion

    • Uniform Corrosion

    Correct Answer
    A. Uniform Corrosion
    Explanation
    Uniform corrosion is not likely to cause immediate catastrophic failure because it occurs evenly across the surface of the material, resulting in a gradual loss of material thickness over time. This type of corrosion is predictable and can be monitored, allowing for maintenance and repairs to be scheduled before any significant structural damage occurs. In contrast, stress corrosion cracking and pitting corrosion can lead to sudden and unexpected failures, as they often occur in localized areas and can rapidly propagate through the material, causing catastrophic failure without warning.

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  • 6. 

    Holidays in coating, platings, and wraps are areas that concentrate corrosion and should be avoided.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Coating, platings, and wraps are protective layers applied to surfaces to prevent corrosion. However, holidays refer to areas where these protective layers are incomplete or damaged, making them susceptible to corrosion. Therefore, it is true that holidays in coating, platings, and wraps are areas that concentrate corrosion and should be avoided.

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  • 7. 

    Which association is committed to understanding and preventing corrosion:

    • NACE

    • ANSI

    • NAPE

    • PACE

    Correct Answer
    A. NACE
    Explanation
    NACE, the National Association of Corrosion Engineers, is the correct answer. NACE is an association that is dedicated to understanding and preventing corrosion. They provide resources, education, and expertise to industries and professionals involved in corrosion control. Through their research, standards, and training programs, NACE aims to address the challenges posed by corrosion and develop effective strategies to mitigate its impact.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 28, 2013
    Quiz Created by
    WestermannBoltin
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