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| Certification Vendor: | American Petroleum Institute (API) |
|---|---|
| Exam Name: | API 571 - Corrosion and Materials Professional Certification Examination |
| Exam Number: | API-571 |
| Exam Price: | $900 USD (exam fee through API) |
| Available Languages: | English |
| Exam Duration: | 3.5 hours (210 minutes) |
| Exam Format: | Multiple Choice |
| Related Certifications: | API 570 Piping Inspector API 653 Aboveground Storage Tank Inspector API 510 Pressure Vessel Inspector |
| Passing Score: | Minimum passing score determined by API using the modified Angoff method (typically around 70%) |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 100 |
| Sample Questions: | API API-571 Sample Questions |
| Exam Way: | Computer-Based Testing (CBT) at PSI test centers |
| Pre Condition: | Candidates must hold a current API 510, 570, or 653 certification to automatically qualify. Otherwise, qualification is based on education and a minimum of 1-5 years of experience in the petrochemical industry acquired within the last 10 years. |
| Official Syllabus URL: | https://www.api.org/products-and-services/individual-certification-programs/certifications/api571 |
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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:
NEW QUESTION # 119
Amine corrosion is primarily caused by:
Answer: B
Explanation:
From API RP 571 Section 5.1.1.3 (Amine Corrosion):
"Amine corrosion is a form of general or localized corrosion caused by the presence of amine solutions used to remove acid gases (H#S and CO#)... Corrosion is most severe in areas where acid gas loading is high." While temperature and concentration are contributing factors, the primary driver is dissolved acid gases such as CO# and H#S.
Thus, the correct answer is Option C.
NEW QUESTION # 120
Caustic embrittlement is a form of stress corrosion cracking characterized by surface-initiated cracks that occur in piping and equipment exposed to caustic, primarily adjacent to non-PWHT welds. Which of the following materials is the most resistant to embrittlement?
Answer: D
NEW QUESTION # 121
Carbonate stress corrosion cracking and alkaline stress corrosion cracking are:
Answer: C
Explanation:
In API RP 571, Carbonate SCC and Alkaline SCC are both discussed under mechanisms that occur in basic (high pH) environments, often with similar contributing conditions and prevention methods. The document highlights:
"Carbonate SCC is considered a subcategory of alkaline stress corrosion cracking. It results from the concentration of alkaline carbonates under thermal insulation or deposits."
"Both mechanisms involve the same key parameters: elevated temperatures, tensile stress, and high pH solutions." (Reference: API RP 571, 3rd Edition, Section 4.2.2.4 and 4.2.2.3) Because these mechanisms share similar material susceptibility and operating conditions, they are indeed closely related-option B is therefore the accurate and supported answer.
NEW QUESTION # 122
_________ corrosion rates are found in a gas oil desulfurizers and hydrocrackers than naphtha desulfurizers and hydrocrackers by a factor of almost "2".
Answer: C
NEW QUESTION # 123
(The signature mark of a mechanical fatigue failure is a "clam shell" type fingerprint:)
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Per API RP 571, mechanical fatigue failures are identified by the presence of beach marks or clam shell patterns on the fracture surface.
These features:
* Appear as concentric rings
* Represent successive crack growth increments
* Radiate outward from the crack initiation site
This "clam shell" or "beach mark" appearance is one of the most recognizable signatures of fatigue failure.
Referenced Documents (Study Basis):
* API RP 571 - Section on Mechanical Fatigue
NEW QUESTION # 124
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P.S. Free 2026 API API-571 dumps are available on Google Drive shared by Test4Engine: https://drive.google.com/open?id=1tvFRmvn1ismjPN32E3Q9FYCVlhMSkkLp