Quality in study tools is not a percentage — it is the experience of using them. Lead2Passed lets you feel that experience directly: free demo, 151 practice questions, three formats, honest terms.
API API-571 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Metallurgical Damage Mechanisms | - Embrittlement phenomena
|
| Topic 2: Corrosion Mechanisms | - High-temperature corrosion
|
| Topic 3: Materials Selection and Mitigation | - Corrosion control strategies
|
| Topic 4: Refining Process-Specific Damage | - Hydroprocessing units
|
| Topic 5: Environmentally Assisted Cracking | - Hydrogen-related damage
|
| Topic 6: General Knowledge of Damage Mechanisms | - Overview of degradation in refining environments
|
API Corrosion and Materials Professional Exam: Honest Answers to Real Questions
The official API Corrosion and Materials Professional outline defines 6 domains. The leading three are Corrosion Mechanisms, General Knowledge of Damage Mechanisms, and Refining Process-Specific Damage. The full list is in the topics section above, and Lead2Passed's 151 practice questions cover each one.
AMPP/API ICP certification requirements typically include relevant industry experience and may require prior inspection or corrosion-related certifications depending on eligibility route. Since requirements change over time, confirm the latest on the official API exam page before scheduling.
The official API page publishes the current question count and duration; review it before your test date.
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 Lead2Passed help you apply theory and fill any gaps the training leaves.
Lead2Passed 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.
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 — not limited to any equipment, and friendly even without a network. 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.
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, API 570, API 653, API 580, API 936. Candidates in 2026 start with Lead2Passed'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.
Scoring and fees are published by API and may change; verify the current figures on the official site.
Computer-based exam delivered via authorized testing centers (e.g., Pearson VUE) Register for the API Corrosion and Materials Professional exam through these official channels:
After booking, Lead2Passed delivers your practice questions within 1 minute — preparation starts the same day.
API Corrosion and Materials Professional Sample Questions:
Erosion and erosion-corrosion metal loss is characterized by:
- A. grooves and gullies.
- B. linear striations.
- C. rough pits and pock marks.
- D. smooth pits.
Correct Answer: A 🗳️
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The primary cause of ammonium chloride corrosion is the formation of salts:
- A. That may precipitate from high-temperature streams as they are cooled
- B. When steam is injected into streams containing traces of chlorides
- C. During water washing operations in streams containing traces of chlorides
- D. That may deposit when water evaporates to dry-out conditions as streams are heated
Correct Answer: A 🗳️
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
Aggressive ammonium chloride corrosion often occurs:
- A. When the salts precipitate from high-temperature streams as they cool.
- B. When excess water washing dissolves too much ammonium chloride.
- C. In the absence of a free water phase.
- D. When dry salts are exposed to a small amount of free water.
Correct Answer: D 🗳️
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
Which of the following can cause hydrogen embrittlement of carbon steel?
- A. Cleaning and pickling in caustic solutions
- B. Improper postweld heat treatment (PWHT)
- C. Welding with wet electrodes
- D. High-temperature hydrogen attack (HTHA)
Correct Answer: B 🗳️
(The signature mark of a mechanical fatigue failure is a "clam shell" type fingerprint:)
- A. With microvoid coalescence
- B. With intergranular cracking
- C. That has nonconcentric rings
- D. That has concentric rings
Correct Answer: D 🗳️
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