Api 571 for Api 510/570(Caustic Corrosion

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Author:
egf4201
ID:
303589
Filename:
Api 571 for Api 510/570(Caustic Corrosion
Updated:
2015-11-19 11:10:29
Tags:
Api 571 510 570 Caustic Corrosion
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Api 571 for Api 510/570(Caustic Corrosion
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Api 571 for Api 510/570(Caustic Corrosion
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  1. Which of the following materials is NOT subjected to Caustic Corrosion?
    A) C.S.
    B) 300-Series SS
    C) Nickel Alloys
    D) Chromes
    C) Nickel Alloys
    (this multiple choice question has been scrambled)
  2. Which of the following is the most significant factor affecting Caustic Corrosion?
    A) Presence of Caustic
    B) Gravitation pull of the Moon
    C) The relative value of the operating unit
    D) The number of Corrosion Specialists that you can fit in VW bug
    A) Presence of Caustic
    (this multiple choice question has been scrambled)
  3. Which of the following is NOT a usage for Caustic in the petrochemical industry?
    A) Used as a Reactant
    B) Used to Neutralize
    C) Added to Boiler Feed Water in small amounts
    D) Used to remove Sulfur Compounds
    E) Used to decease pH
    E) Used to decease pH
    (this multiple choice question has been scrambled)
  4. In order for Caustic Corrosion to occur in routine equipment there must be a:
    concentrating method to build the Caustic's strength
  5. Caustic Corrosion is most often associated with:
    Boilers and Steam generating equipment
  6. Caustic Corrosion normally appears as:
    Localized metal loss often with grooving
  7. Caustic Corrosion starts to cause uniform corrosion of C.S. when the process temp exceeds:
    175°F
  8. In steam systems, Caustic Corrosion is best prevented by:
    proper design
  9. What materials should be used with high strength Caustic solutions when the process temp is above 150°F?
    High Nickel Alloys

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