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Reference: http://www.api.org/products-and-services/individual-certification-programs/certifications/api571#tab_exam-info

API API-571 Exam Syllabus Topics:

SectionObjectives
General Knowledge of Damage Mechanisms- Overview of degradation in refining environments
  • 1. Damage mechanism classification
    • 2. Materials performance fundamentals
      Environmentally Assisted Cracking- Stress corrosion cracking
      • 1. Caustic cracking
        • 2. Chloride stress corrosion cracking
          - Hydrogen-related damage
          • 1. Hydrogen embrittlement
            • 2. Hydrogen induced cracking (HIC)
              • 3. Hydrogen blistering
                Metallurgical Damage Mechanisms- Embrittlement phenomena
                • 1. Sigma phase embrittlement
                  • 2. Temper embrittlement
                    - High-temperature degradation
                    • 1. Graphitization
                      • 2. Thermal fatigue
                        • 3. Creep damage
                          Corrosion Mechanisms- Aqueous corrosion
                          • 1. Microbiologically influenced corrosion (MIC)
                            • 2. Uniform corrosion
                              • 3. Crevice corrosion
                                • 4. Galvanic corrosion
                                  • 5. Pitting corrosion
                                    - High-temperature corrosion
                                    • 1. Oxidation
                                      • 2. Carburization
                                        • 3. Sulfidation
                                          Refining Process-Specific Damage- Hydroprocessing units
                                          • 1. Hydrogen attack mechanisms
                                            • 2. High-pressure hydrogen service degradation
                                              - FCC and sulfur recovery units
                                              • 1. High-temperature sulfidic corrosion
                                                • 2. Erosion-corrosion interactions
                                                  Materials Selection and Mitigation- Corrosion control strategies
                                                  • 1. Corrosion inhibitors
                                                    • 2. Material selection principles
                                                      • 3. Coatings and linings

                                                        API Corrosion and Materials Professional Sample Questions:

                                                        The form of corrosion most often caused by sulfidation is typically described as:

                                                        • A. Localized erosion-corrosion
                                                        • B. High-temperature corrosion
                                                        • C. General or uniform corrosion
                                                        • D. Sulfide cracking corrosion
                                                        Reveal Solution  Discussion  0

                                                        Correct Answer: C  🗳️

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                                                        (Which of the following would be most useful in finding carbolic acid corrosion?)

                                                        • A. Acoustic emission testing
                                                        • B. Cutting a boat sample for laboratory analysis
                                                        • C. Angle beam ultrasonic testing
                                                        • D. Ultrasonic and radiographic testing
                                                        Reveal Solution  Discussion  0

                                                        Correct Answer: B  🗳️

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                                                        What is the best way to inspect for brittle fracture?

                                                        • A. Ultrasonic examination
                                                        • B. Wet fluorescent magnetic-particle testing
                                                        • C. There is no effective way
                                                        • D. Tensile testing
                                                        Reveal Solution  Discussion  0

                                                        Correct Answer: B  🗳️

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                                                        Which of the following is the lowest threshold temperature at which creep damage is a concern in carbon steel with tensile strength > 60ksi (414 MPa)?

                                                        • A. 600°F (316°C)
                                                        • B. 900°F (482°C)
                                                        • C. 800°F (427°C)
                                                        • D. 700°F (371°C)
                                                        Reveal Solution  Discussion  0

                                                        Correct Answer: D  🗳️

                                                        Explanation: Only visible for PrepPDF members. You can sign-up / login (it's free).

                                                        In a naphthenic acid corrosive (NAC) environment, what is the effect of sulfur?

                                                        • A. Sulfide cracking
                                                        • B. Inhibition
                                                        • C. Corrosion accelerator
                                                        • D. No effect
                                                        Reveal Solution  Discussion  0

                                                        Correct Answer: B  🗳️

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