API 571 Sulfidation

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  1. Which of the following is NOT a major factor associated with corrosion by Sulfidation?
    A) Alloy composition
    B) Operating Temperature
    C) Sulfur Content
    D) Operating Pressure
    D) Operating Pressure
    (this multiple choice question has been scrambled)
  2. Sulfidation of iron-based alloys begins at about what temperature?
    500°F
  3. Resistance to Sulfidation increases as the:
    chromium content in the material increases
  4. Sulfidation is primarily caused by:
    A) Impacting particles
    B) Operators failing to adequately control the pH of sulfur streams
    C) Sulfur compounds being created in the FCCU (Cat Cracking Unit)
    D) Elemental sulfur collecting in stagnate areas, e.g. dead legs
    E) Sulfur compounds decomposing at higher temperatures
    E) Sulfur compounds decomposing at higher temperatures
    (this multiple choice question has been scrambled)
  5. Which of the following process units is not affected by sulfidation?
    A) Coker
    B) Catalytic Cracking
    C) Alkylation
    D) Crude Distillation
    C) Alkylation
    (this multiple choice question has been scrambled)
  6. Sulfidation usually creates what type of corrosion?
    Uniform corrosion

Card Set Information

Author:
Gibby
ID:
334033
Filename:
API 571 Sulfidation
Updated:
2017-09-08 00:12:07
Tags:
API 571 Sulfidation
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Description:
API 571 Sulfidation
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