Exam Name: Corrosion and Materials Professional
Certification Provider: API
Corresponding Certification: ICP Programs
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- Total Questions: 151
- Updated on: Oct 25, 2026
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- Total Questions: 151
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- Total Questions: 151
- Updated on: Oct 25, 2026
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A study plan turns free hours into progress. With Actual4dump, you set the pace in 2026 using performance reviews and timed sessions, building a personal schedule around the 151 practice questions.
API API-571 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Damage Mechanisms | - General / Mechanical
|
API-571 Exam FAQ — Simulate, Schedule, Succeed on Your Terms
The official API Corrosion and Materials Professional outline defines 1 domains. The leading three are Damage Mechanisms. The full list is in the topics section above, and Actual4dump's 151 practice questions cover each one.
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. Since requirements change over time, confirm the latest on the official API exam page before scheduling.
Computer-Based Testing (CBT) at PSI test centers Register for the API Corrosion and Materials Professional exam through these official channels:
After booking, Actual4dump delivers your practice questions within 1 minute — preparation starts the same day.
The API-571 exam is a API certification exam validating the API Corrosion and Materials Professional syllabus shown above. It belongs to these credential paths: API 510 Pressure Vessel Inspector, API 570 Piping Inspector, API 653 Aboveground Storage Tank Inspector. Candidates in 2026 start with Actual4dump's 151 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
The API Corrosion and Materials Professional exam contains 100 to complete within 3.5 hours (210 minutes). Timed simulation in the Actual4dump Desktop Test Engine teaches that rhythm before exam day does.
Actual4dump issues a full refund if you take the API Corrosion and Materials Professional exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
The API Corrosion and Materials Professional exam requires Minimum passing score determined by API using the modified Angoff method (typically around 70%) to pass, and registration costs $900 USD (exam fee through API). A failed attempt means paying the same fee again — a readiness check with the Actual4dump engines before booking is the cheaper option.
API recommends these training resources for the API Corrosion and Materials Professional exam:
Follow the training with steady self-testing — the 151 practice questions from Actual4dump help you apply theory and fill any gaps the training leaves.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 151 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
API Corrosion and Materials Professional Sample Questions:
For exchangers where the cooling water chemistry is poorly maintained, what can be done to improve corrosion resistance?
- A. Increase the process side temperature above 212°F (100°C)
- B. Upgrade the metallurgy of the exchanger
- C. Increase the tube diameter
- D. Lower the water velocity
Correct Answer: B 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
If thermal shock damage may be present, which of the following should be checked?
- A. Bulging at elbows
- B. Surface exfoliation of furnace tubes
- C. Hot/cold injection points
- D. Hardness of the furnace outlet piping
Correct Answer: C 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
At what minimum level of nickel content does an alloy become nearly immune to chloride stress corrosion cracking?
- A. 12%
- B. 45%
- C. 20%
- D. 35%
Correct Answer: D 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
(Prevention of high-temperature hydrogen attack is usually achieved by using:)
- A. Alloy steels with chromium and molybdenum added to increase carbide stability
- B. Austenitic stainless steel cladding on carbon steel equipment
- C. Carbon-manganese steels with low carbon content
- D. High-nickel alloy steels selected in accordance with API RP 941
Correct Answer: A 🗳️
Explanation: Only visible for Actual4dump 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. Take boat samples and send them to the lab for metallographic analysis
- C. Use penetrant testing and magnetic-particle testing to look for surface-breaking cracks
- D. Use ultrasonic testing or radiographic testing thickness readings to monitor for loss of wall thickness
Correct Answer: D 🗳️
Explanation: Only visible for Actual4dump members. You can sign-up / login (it's free).
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