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Corrosion and Materials Professional Questions 216–220 (page: 45)

Updated On: 9-Feb-2026

Which if the following materials are not susceptible to hydrogen stress cracking?

  1. Carbon steel
  2. Low alloy steel
  3. Stainless steel
  4. None of the above

Answer(s): C



Carbon dioxide corrosion results when CO² dissolves in water to form _________ acid.

  1. Sulfuric
  2. Hydrochloric
  3. Carbonic
  4. None of the above

Answer(s): C



In pressure containing equipment, SOHIC and SCC damage is most often associated with __________.

  1. Internals
  2. Weldments
  3. Branches
  4. None of the above

Answer(s): B



Refractory lined equipment should be designed for erosion, thermal shock and __________.

  1. Thermal fatigue
  2. Thermal expansion
  3. Thermal contraction
  4. All of the above

Answer(s): B



Amine corrosion refers to the general and/or localized corrosion that occurs principally on _________ in amine treating processes. Corrosion is not caused by the amine itself, but results from dissolved acid gases (CO² and H²S), amine degradation products, heat stable amine salts and other contaminants.

  1. Carbon steel
  2. Duplex SS
  3. 300 Series SS
  4. 400 Series SS

Answer(s): A



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