Some candidates tag key points on PDF pages; others review on a bus. Three versions of the API Corrosion and Materials Professional material from PracticeVCE cover both — 151 practice questions for the API-571 exam.
API API-571 Exam Overview:
| Certification Vendor: | American Petroleum Institute (API) |
|---|---|
| Exam Name: | API 571 - Corrosion and Materials Professional Certification Examination |
| Exam Number: | API-571 |
| Real Exam Qty: | 100 |
| Passing Score: | Minimum passing score determined by API using the modified Angoff method (typically around 70%) |
| Exam Format: | Multiple Choice |
| Exam Price: | $900 USD (exam fee through API) |
| Certificate Validity Period: | 3 years |
| Related Certifications: | API 570 Piping Inspector API 510 Pressure Vessel Inspector API 653 Aboveground Storage Tank Inspector |
| Available Languages: | English |
| Exam Duration: | 3.5 hours (210 minutes) |
| Sample Questions: | DOWNLOAD DEMO |
| 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 |
API API-571 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Damage Mechanisms | - Uniform or Localized Loss of Thickness
|
API API-571 Exam: Quick Answers
Yes — download the free API Corrosion and Materials Professional demo and judge the quality yourself before paying; the whole content goes further than the demo, but the demo shows the style. Purchases include 365 days of free updates delivered by email; renew afterward at 50% off.
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. Eligibility rules change over time, so verify the current requirements on the official page (official API-571 exam page) before registering.
The API Corrosion and Materials Professional is API's certification exam for ICP Programs, at the Professional level. Related credentials include API 510 Pressure Vessel Inspector, API 570 Piping Inspector, API 653 Aboveground Storage Tank Inspector. Prepare efficiently: short review sessions anywhere, mock exams when you have a desk.
The API Corrosion and Materials Professional blueprint spans 1 domains — including Damage Mechanisms. Tag key points per domain in the PDF version; the complete outline above lists every subtopic.
3.5 hours (210 minutes) for 100 questions. Build pacing with the PracticeVCE software engine: repeated timed mock exams make the real clock feel easy.
Our system emails the API Corrosion and Materials Professional material automatically right after purchase — about a minute; click the link, sign in, and use the engine immediately, with 24/7 help if nothing arrives within 2 hours. If you unfortunately fail the corresponding API-571 exam within 60 days of purchase, you're welcome to a full refund: upload your failed result — a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam — and we handle it within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. We also recommend an alternative: exchange for two equal-value products free.
$900 USD (exam fee through API) per attempt, Minimum passing score determined by API using the modified Angoff method (typically around 70%) to pass. Each retake costs the full fee, so prepare thoroughly the first time — the 151 practice questions for the API-571 exam at PracticeVCE closely simulate the real test.
API Corrosion and Materials Professional Sample Questions:
An NPS 3/4 (DN 20) carbon steel unsupported high-point vent on a steam line has failed by cracking.
The most likely cause is:
- A. mechanical fatigue.
- B. original weld defect.
- C. sulfide stress cracking.
- D. thermal overload.
Correct Answer: A 🗳️
Explanation: Only visible for PracticeVCE members. You can sign-up / login (it's free).
The most effective mitigation for amine stress corrosion cracking is:
- A. Changing amine solution concentration
- B. Post-weld heat treatment
- C. Operating below 140°F (60°C)
- D. Adding 0.2% water to the amine solution
Correct Answer: B 🗳️
Explanation: Only visible for PracticeVCE members. You can sign-up / login (it's free).
(Which of the following is the most important factor in determining carbon steel susceptibility to ethanol stress corrosion cracking in storage tanks?)
- A. Ethanol percentage
- B. Moisture content
- C. Amount of aeration
- D. Grade of steel
Correct Answer: B 🗳️
Explanation: Only visible for PracticeVCE members. You can sign-up / login (it's free).
Which of the following weldments is most susceptible to dissimilar metal cracking when operating at high temperatures?
- A. Carbon steel to 316 stainless steel
- B. Carbon steel to Inconel 625
- C. Carbon steel to Monel 400
- D. Carbon steel to Incoloy 800
Correct Answer: A 🗳️
Explanation: Only visible for PracticeVCE members. You can sign-up / login (it's free).
Spheroidization is a change in the microstructure of steels that can occur after exposure to a minimum temperature of:
- A. 1000°F (540°C)
- B. 650°F (345°C)
- C. 700°F (370°C)
- D. 850°F (455°C)
Correct Answer: B 🗳️
Explanation: Only visible for PracticeVCE members. You can sign-up / login (it's free).
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