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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
    :Apr 29, 2024

API ICP Programs API-571 Questions & Answers

  • Question 1:

    Stainless steels have higher coefficients of thermal expansion than carbon steel or low alloy steel or nickel based alloys and are more likely to see _________.

    A. Higher temperatures

    B. Higher stresses

    C. Higher pressure

    D. None of the above

  • Question 2:

    General or localized corrosion of carbon steels and other metals caused by dissolved salts, gases, organic compounds or microbiological activity is called _______.

    A. Cooling water corrosion

    B. Oxidation

    C. MIC

    D. None of the above

  • Question 3:

    Which of the following materials is not susceptible to Cl SCC?

    A. 400 Series SS

    B. Duplex SS

    C. Nickel based alloys

    D. All of the above

  • Question 4:

    Which of the following materials are subject to mechanical fatigue?

    A. Carbon steels

    B. Stainless steels

    C. Low alloy steels

    D. All of the above

  • Question 5:

    Damage from sigma phase appears in the form of ________.

    A. Corrosion

    B. Hardness

    C. Cracking

    D. Ductility

  • Question 6:

    ________ significantly increases the probability and severity of blistering, HIC and SOHIC damage.

    A. Caustic

    B. Cyanides

    C. Stress

    D. Temperature

  • Question 7:

    A form of mechanical fatigue in which cracks are produced as a result of dynamic loadings is _______.

    A. Spheroidization

    B. Vibration-induced cracking

    C. Fatigue cracking

    D. Stress cracking

  • Question 8:

    A minimum of ________ to ______ molybdenum is needed in an alloy to resist naphthenic acid corrosion.

    A. 2%, 3%

    B. 1 ½ %, 2 ½ %

    C. 2%, 2%, 2 ½ %2 ?%

    D. 1%, 21%, 2%%

  • Question 9:

    Blistering, HIC, SOHIC and SSC damage can occur wherever there is a ____________ environment.

    A. Wet H²S

    B. Hydrogen

    C. Sulfur

    D. Aqueous

  • Question 10:

    Low creep ductility is _____ prevalent at the lower temperatures in the creep range. Or low stresses in the upper creep range.

    A. More

    B. Less

    C. Equally

    D. None of the above

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