Exam Name: Corrosion and Materials Professional
Certification Provider: API
Corresponding Certification: ICP Programs
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Built for IT workers' reality: the API Corrosion and Materials Professional online version at TestKingFree fits around shifts and commutes — 151 practice questions for the API-571 exam, perfectly suited to busy schedules.
API API-571 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Damage Mechanisms | - Uniform or Localized Loss of Thickness
|
API Corrosion and Materials Professional Exam FAQ — Complete Answers
The API Corrosion and Materials Professional blueprint spans 1 domains — including Damage Mechanisms. Weightings show where the exam concentrates; the full outline above covers every subtopic.
$900 USD (exam fee through API) per attempt, Minimum passing score determined by API using the modified Angoff method (typically around 70%) to pass. Every retake bills the full fee, so make practice thorough first — the 151 practice questions for the API-571 exam at TestKingFree are the affordable rehearsal.
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The API Corrosion and Materials Professional is API's certification exam for ICP Programs, at the Professional level. It demonstrates verified, job-relevant capability to employers. Related credentials include API 510 Pressure Vessel Inspector, API 570 Piping Inspector, API 653 Aboveground Storage Tank Inspector.
3.5 hours (210 minutes) for 100 questions. Rehearse the format interactively: the TestKingFree online engine recreates the test atmosphere, so pacing is trained before it counts.
Yes — a free API Corrosion and Materials Professional demo is available to download on our exam page. Evaluate the material yourself; purchases include 365 days of free updates, emailed immediately upon release, renewable at 50% off afterward.
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 from time to time, so confirm the current requirements on the official page (official API-571 exam page) before booking.
API Corrosion and Materials Professional Sample Questions:
At what minimum level of nickel content does an alloy become nearly immune to chloride stress corrosion cracking?
- A. 35%
- B. 12%
- C. 45%
- D. 20%
Correct Answer: A 🗳️
Explanation: Only visible for TestKingFree members. You can sign-up / login (it's free).
The most effective means of preventing caustic stress corrosion cracking is:
- A. Controlling process temperature during steamouts
- B. Reducing caustic concentration
- C. Upgrading to 300 series stainless steel
- D. Postweld heat treatment
Correct Answer: D 🗳️
Explanation: Only visible for TestKingFree members. You can sign-up / login (it's free).
Refer to the following table:
Corroded End - Anodic (More Active)
Magnesium
Magnesium alloys
Zinc
Aluminum
Aluminum alloys
Steel
Cast iron
Type 410 SS (active state)
Ni-Resist
Type 304 SS (active state)
Type 316 SS (active state)
Lead
Tin
Nickel
Brass
Copper
Bronze
Copper-Nickel
Monel
Nickel (passive state)
Type 410 SS (passive state)
Type 304 SS (passive state)
Type 316 SS (passive state)
Titanium
Graphite
Gold
Platinum
Protected End - Cathodic (More Noble)
Which of the following metal combinations is most likely to experience galvanic corrosion in brackish water or seawater?
- A. Cast iron coupled to Ni-resist
- B. Brass coupled to nickel
- C. Steel coupled to nickel
- D. Aluminum coupled to steel
Correct Answer: D 🗳️
Explanation: Only visible for TestKingFree members. You can sign-up / login (it's free).
Steel hardness and strength are critical factors for what type of damage mechanism?
- A. Hydrogen stress cracking-HF
- B. Carbonate corrosion stress cracking
- C. Polythionic acid cracking
- D. Amine stress corrosion cracking
Correct Answer: A 🗳️
Explanation: Only visible for TestKingFree members. You can sign-up / login (it's free).
(Chloride stress corrosion cracking of 300 series stainless steel initially becomes a concern at a metal temperature above:)
- A. 100 °F (38 °C)
- B. 140 °F (60 °C)
- C. 212 °F (100 °C)
- D. 180 °F (82 °C)
Correct Answer: B 🗳️
Explanation: Only visible for TestKingFree members. You can sign-up / login (it's free).
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