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  • Total Questions: 151
  • Updated on: Nov 11, 2026
  • Price: $119.00 $59.98

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API-571 Exam topics

Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our API-571 exam dumps will include the following topics:

  • Identify the various mechanical and metallurgical failure mechanisms such as brittle fracture, steam blanketing, stress rupture, cracking, thermal shock, fatigue and corrosion.
  • Possess a general background on the scope, organization and use of API 571 and be able to review the standards and other references related to it.
  • Understand refining industry damage mechanisms used in uniform of localized loss in thickness phenomena.
  • Determine general damage mechanisms on uniform or localized loss thickness and explain the various types of corrosion related to it.
  • Explore refining industry damage mechanisms for environment assisted cracking and be able to identify the other types of mechanisms.
  • Explore damage mechanisms on high temperature corrosion including oxidation, sulfidation, carburization and metal dusting.
  • Knowledge of general damage mechanisms applicable to the industry and be able to identify their features and functions.

API API-571 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Damage Mechanisms: This domain explains various corrosion and damage mechanisms, including their characteristics, affected materials, causes, and visual appearance. It also covers where damage occurs, along with methods for prevention, mitigation, inspection, and monitoring.
Topic 2
  • Terms, Definitions, and Acronyms: This domain covers the key terminology, standard definitions, and commonly used acronyms related to corrosion and materials. It ensures a clear understanding of technical language used throughout the API-571 body of knowledge.

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

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How much API-571 Exam Cost

The price of the API-571 exam is $365 USD.

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What is the duration of the API-571 Exam

  • Length of Examination: 3.25 hours
  • Number of Questions: 70
  • Format: Multiple choices, multiple answers

API Corrosion and Materials Professional Sample Questions:

Polythionic acid stress corrosion cracking (PTASCC) can be detected by:

  • A. Magnetic particle testing
  • B. Hardness measurements
  • C. Ultrasonic thickness measurements
  • D. Liquid penetrant testing
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).

During inspection of a process unit where sulfidation from high-temperature hydrogen exists in H#S streams, the inspector should:

  • A. Use angle beam ultrasonic testing to look for cracking at the mid-wall
  • B. Use ultrasonic testing or radiographic testing thickness readings to monitor for loss of wall thickness
  • C. Use penetrant testing and magnetic-particle testing to look for surface-breaking cracks
  • D. Take boat samples and send them to the lab for metallographic analysis
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).

Which of the following is the most significant result of spheroidization in steels?

  • A. Loss of strength
  • B. Loss of ductility
  • C. Increased hardness
  • D. Increased potential for stress corrosion cracking
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).

(A metal cracks because of stress relaxation during postweld heat treatment (PWHT) of a heavy wall section.
This type of cracking is best categorized as:)

  • A. PWHT cracking
  • B. Reheat cracking
  • C. Temper embrittlement cracking
  • D. Thermal fatigue cracking
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).

(Which of the following damage mechanisms affects most common materials of construction?)

  • A. Sour water corrosion
  • B. Amine corrosion
  • C. Microbiologically induced corrosion
  • D. Polythionic acid corrosion
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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