Exam Name: Corrosion and Materials Professional
Certification Provider: API
Corresponding Certification: ICP Programs
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- Total Questions: 151
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- Total Questions: 151
- Updated on: Nov 05, 2026
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- Total Questions: 151
- Updated on: Nov 05, 2026
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API API-571 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Damage Mechanisms | - General / Mechanical
|
API-571 Exam Preparation FAQ
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API-571 requires Minimum passing score determined by API using the modified Angoff method (typically around 70%) to pass, and the official exam fee is $900 USD (exam fee through API). Knowing both numbers early helps you plan your exam date and budget together.
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The API-571 exam contains 100 questions within 3.5 hours (210 minutes) minutes. Rehearsing under the same time limit on the NewPassLeader engine builds the pacing habits you will need.
- Damage Mechanisms ()
Allocate your study hours in proportion to each topic's weight.
The package includes 151 practice questions for the API-571 exam, all with verified answers and available in three formats.
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.
API Corrosion and Materials Professional Sample Questions:
(Prevention of high-temperature hydrogen attack is usually achieved by using:)
- A. Carbon-manganese steels with low carbon content
- B. Alloy steels with chromium and molybdenum added to increase carbide stability
- C. High-nickel alloy steels selected in accordance with API RP 941
- D. Austenitic stainless steel cladding on carbon steel equipment
Correct Answer: B 🗳️
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The likelihood of brittle fracture is best lessened by:
- A. Using thicker construction materials to lower the resulting stress
- B. Frequent inspection of the piping or equipment involved
- C. Using carbon or low-alloy steels
- D. Postweld heat treatment (PWHT)
Correct Answer: D 🗳️
Explanation: Only visible for NewPassLeader members. You can sign-up / login (it's free).
(What nondestructive examination (NDE) technique requires the least amount of surface preparation to locate wet H#S damage mechanisms?)
- A. SWUT
- B. WFMT
- C. ACFM
- D. LPT
Correct Answer: A 🗳️
Explanation: Only visible for NewPassLeader members. You can sign-up / login (it's free).
(Which three residual alloy elements are of most concern when it comes to corrosion of carbon steel in HF Alkylation process units?)
- A. Cr / Mo / Ni
- B. Cr / Cu / Ni
- C. C / Nb / V
- D. Cu / S / V
Correct Answer: B 🗳️
Explanation: Only visible for NewPassLeader members. You can sign-up / login (it's free).
Which of the following will be most effective in finding sour water corrosion?
- A. Angle beam ultrasonic testing
- B. Spot ultrasonic testing
- C. Guided wave ultrasonic testing
- D. Profile radiographic testing
Correct Answer: D 🗳️
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