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Corrosion and Materials Professional

Exam Details

  • Exam Code
    :API-571
  • Exam Name
    :Corrosion and Materials Professional
  • Certification
    :ICP Programs
  • Vendor
    :API
  • Total Questions
    :454 Q&As
  • Last Updated
    :May 16, 2024

API ICP Programs API-571 Questions & Answers

  • Question 41:

    Nickel based alloys usually contain ________ nickel.

    A. 30%

    B. 20%

    C. 10%

    D. 12%

  • Question 42:

    Which of the following alkanolamine systems is the most aggressive in causing amine corrosion?

    A. Monoethanolamine (MEA)

    B. Diglycolamine (DGA)

    C. Diethanolamine (DEA)

    D. Methyldiethanolamine (MDEA)

  • Question 43:

    With CO² corrosion, increasing temperatures _________ corrosion rates up to the point where CO² is vaporized.

    A. Decrease

    B. Increase

    C. Eliminate

    D. None of the above

  • Question 44:

    Stress ruptures are characterized by _________ failures and are usually accompanied by thinning at the fracture surface.

    A. Rapid

    B. Fish-mouth

    C. Tensile

    D. None of the above

  • Question 45:

    SSC is a form of hydrogen stress cracking resulting from the absorption of ________ that is produced by the sulfide corrosion process on the metal surface.

    A. Sulfur dioxide

    B. Hydrogen sulfide

    C. Atomic hydrogen

    D. Hydrogen chloride

  • Question 46:

    Localized corrosion due to the concentration of caustic or alkaline salts that usually occurs under evaporative conditions is _________.

    A. Carbonate corrosion

    B. Caustic corrosion

    C. Alkaline corrosion

    D. None of the above

  • Question 47:

    Carbonate cracking typically propagates _________ to the weld; the pattern of cracking observed on the surface is sometimes described as ________.

    A. Transverse, Eyebrow

    B. Parallel, Spider web

    C. Diagonal, Half moon

    D. Perpendicular, Stair step

  • Question 48:

    Improved resistance to erosion is usually achieved through increasing substrate ________ using harder alloys, hard facing or face-hardening treatment.

    A. Composition

    B. Stress

    C. Hardness

    D. None of the above

  • Question 49:

    For galvanic corrosion to take place, three conditions must be met, presence of an electrolyte, two different materials or alloys and ___________.

    A. A cathode

    B. An anode

    C. An electrical connection

    D. None of the above

  • Question 50:

    Once cracking from LME has occurred, grinding out the affected area ______ an acceptable fix.

    A. Is

    B. Is not

    C. Can be

    D. Can not be

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