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

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Certification Path

The API Corrosion and Materials certification path includes only one API-571 certification exam.

API API-571 Exam Syllabus Topics:

SectionWeightObjectives
Terms, Definitions, and Acronyms5%
Other Damage Mechanisms15%- Liquid Metal Embrittlement
- Erosion and Erosion-Corrosion
- Cavitation Damage
- Microbiologically Influenced Corrosion
Environmentally Assisted Cracking25%- Sulfide Stress Cracking
- Caustic Stress Corrosion Cracking
- Hydrogen Embrittlement
- Chloride Stress Corrosion Cracking
Uniform or Localized Loss of Thickness25%- Sulfidation
- Oxidation and Scaling
- Ammonium Bisulfide Corrosion
- Hydrochloric Acid Corrosion
- Corrosion Under Insulation (CUI)
High-Temperature Corrosion and Degradation15%- Metal Dusting
- Graphitization
- Carburization
- Decarburization
Mechanical and Metallurgical Failure Mechanisms15%- Mechanical Fatigue
- Brittle Fracture
- Thermal Fatigue
- Creep and Stress Rupture

API Corrosion and Materials Professional Sample Questions:

Which of the following statements is most accurate with regard to thermal fatigue?

  • A. Thermal fatigue cracks generally initiate on the interior of a component due to high thermal stress
  • B. Visual examination is an ineffective method of monitoring thermal fatigue
  • C. Controlled rates of heating and cooling during startup and shutdown can lower stresses
  • D. Because of their ductility, carbon steels have lower resistance to thermal fatigue
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Brittle fracture of a component is closely related to:

  • A. Number of thermal cycles
  • B. Ductility
  • C. Material toughness
  • D. Tensile strength
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Hydrogen permeation or diffusion rates associated with wet H#S damage of carbon steel and low-alloy steels have been found to be minimal at a pH of:

  • A. 7
  • B. 5
  • C. 9
  • D. 3
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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H#S content, pH, temperature, velocity, and oxygen concentration are critical factors of:

  • A. Sour water acid corrosion
  • B. Naphthenic acid corrosion
  • C. Polythionic acid cracking
  • D. Sulfuric acid corrosion
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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(Which of the following is the most effective inspection method when ammonium bisulfide corrosion may be present?)

  • A. Field metallographic testing for fissures in the heat-affected zone
  • B. Penetrant testing or magnetic-particle testing for surface-breaking cracks
  • C. Ultrasonic scanning and/or profile radiography in areas of high and low flow velocity
  • D. Digital straight-beam spot ultrasonic testing for thickness on a grid
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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