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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 21:

    Which of the following materials is susceptible to sigma phase embrittlement?

    A. Carbon steel

    B. Low alloy steel

    C. 300 Series SS

    D. Both A and B

  • Question 22:

    A fatigue fracture is brittle and the cracks are most often __________.

    A. Parallel

    B. Transgranular

    C. Intergranular

    D. Transverse

  • Question 23:

    ________ injection downstream of the desalter is another common method used to reduce the amount of HCl going overhead.

    A. Hydrogen

    B. Nitrogen

    C. Water

    D. Caustic

  • Question 24:

    The best way to prevent failures by atmospheric corrosion is to:

    A. Have an aggressive inspection program.

    B. Reduce airborne particulates.

    C. Install and maintain appropriate coatings.

    D. Shoot all birds that cross the plant fence.

    E. Build new petrochemical facilities in a dry desert.

  • Question 25:

    Nitriding layers are magnetic. Therefore, _________ should be checked for magnetism as an initial screening for nitriding.

    A. 300 Series SS

    B. 400 Series SS

    C. Duplex SS

    D. Low alloy steel

  • Question 26:

    When connected to a more anodic material, titanium may suffer severe __________.

    A. Corrosion

    B. Hydriding

    C. Stress

    D. Notch toughness

  • Question 27:

    What standard refers to Fitness-For-Service evaluations?

    A. RP 581

    B. RP 579

    C. RP 588

    D. RP 568

  • Question 28:

    Low alloy steels contain a maximum of _______ chrome.

    A. 5%

    B. 6%

    C. 7.5%

    D. 9%

  • Question 29:

    Preventative measures to minimize the potential for brittle fracture in existing equipment are limited to controlling _______ and ________, minimizing pressure at ambient temperatures during start-up and shutdown and periodic inspections at high stress locations.

    A. Temperature, stress

    B. Stress, pressure

    C. Velocity, stress

    D. Temperature, Pressure

  • Question 30:

    Dew point corrosion can occur if the metal temperature is below the dew point. The dew point of sulfuric acid is __________.

    A. 280º F

    B. 220º F

    C. 310º F

    D. 190º F

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