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API-571 PDF Practice Q&A's

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  • Total Questions: 151
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Certification Path

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

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

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The benefit in Obtaining the API-571 Exam Certification

  • Advanced Corrosion & Materials Professional Certifications provide opportunities to get a job easily in which they are interested in instead of wasting years and ending without getting any experience.
  • Advanced Corrosion & Materials Professional will be confident and stand different from others as their skills are more trained than non-certified professionals.
  • Advanced Corrosion & Materials Professional certification has more useful and relevant networks that help them in setting career goals for themselves. Advanced Corrosion & Materials Professional networks provide them with the right career direction than non certified usually are unable to get.
  • Advanced Corrosion & Materials Professional have the knowledge to use the tools to complete the task efficiently and cost effectively than the other non-certified professionals lack in doing so.
  • Advanced Corrosion & Materials Professional Certification is distinguished among competitors. Advanced Corrosion & Materials Professional certification can give them an edge at that time easily when candidates appear for a job interview employers seek to notify something which differentiates the individual to another.
  • Advanced Corrosion & Materials Professional Certification provides practical experience to candidates from all the aspects to be a proficient worker in the organization.

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API API-571 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: High-Temperature Corrosion and Degradation15%- Graphitization
- Metal Dusting
- Carburization
- Decarburization
Topic 2: Uniform or Localized Loss of Thickness25%- Ammonium Bisulfide Corrosion
- Corrosion Under Insulation (CUI)
- Hydrochloric Acid Corrosion
- Oxidation and Scaling
- Sulfidation
Topic 3: Mechanical and Metallurgical Failure Mechanisms15%- Brittle Fracture
- Mechanical Fatigue
- Creep and Stress Rupture
- Thermal Fatigue
Topic 4: Environmentally Assisted Cracking25%- Hydrogen Embrittlement
- Sulfide Stress Cracking
- Chloride Stress Corrosion Cracking
- Caustic Stress Corrosion Cracking
Topic 5: Other Damage Mechanisms15%- Liquid Metal Embrittlement
- Erosion and Erosion-Corrosion
- Microbiologically Influenced Corrosion
- Cavitation Damage
Topic 6: Terms, Definitions, and Acronyms5%

API Corrosion and Materials Professional Sample Questions:

(Caustic stress corrosion cracking can be effectively prevented by:)

  • A. The use of 300 series stainless steels
  • B. Limiting metal temperatures to less than 150 °F (65 °C)
  • C. The use of a stress-relieving treatment
  • D. Limiting caustic concentration to less than 100 ppm
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Both sulfide stress corrosion cracking and stress-oriented hydrogen-induced cracking are most often found in:

  • A. Hardened steels.
  • B. Steel weldments.
  • C. Areas with temperatures above 300°F (149°C).
  • D. Areas where there is significant hydrogen blistering.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Polythionic acid stress corrosion cracking is:

  • A. Identified by transgranular cracking on the process side of equipment and piping.
  • B. Typically localized and may not be evident until a leak appears.
  • C. Rarely found in process furnaces.
  • D. Found only in low carbon grades of austenitic stainless steel.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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

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

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

Correct Answer: C  🗳️

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

Which of the following is most susceptible to chloride stress corrosion cracking?

  • A. Non-postweld heat-treated carbon steel
  • B. Non-stress-relieved 304 stainless steel
  • C. Inadequately heat-treated 1.25 Cr-0.5 Mo low-alloy steel
  • D. Non-stress-relieved admiralty brass U-bends
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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