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API-571 Exam Questions

Exam Name: Corrosion and Materials
Exam Code: API-571
Related Certification(s): API Certifications
Certification Provider: API
Actual Exam Duration: 240 Minutes
Number of API-571 practice questions in our database: 454 (updated: Oct. 03, 2025)
Expected API-571 Exam Topics, as suggested by API :
  • Topic 1: Damage Mechanisms Affecting Fixed Equipment Refining Management
Disscuss API API-571 Topics, Questions or Ask Anything Related
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Linn

4 days ago
Were there any questions on corrosion failure analysis?
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Josphine

5 days ago
I can't believe I passed! The Pass4Success questions were a game-changer. One question that stumped me was about materials selection for cryogenic conditions. I had to decide between using aluminum alloys or stainless steel.
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Jose

9 days ago
I passed the exam, and the Pass4Success practice questions were invaluable. There was a question about industry standards and codes, particularly the NACE standards for corrosion control. I had to think about the specific guidelines for pipeline protection.
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Dominga

1 months ago
Successfully passed the API exam today. Huge thanks to Pass4Success for their accurate practice questions!
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Isidra

1 months ago
Passing the API Corrosion and Materials exam was a great achievement, thanks to Pass4Success. One question that I found difficult was about corrosion control and mitigation, especially the use of inhibitors. I wasn't sure about the effectiveness of different types of inhibitors.
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Grover

3 months ago
How about questions on corrosion in the oil and gas industry?
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Jessenia

4 months ago
API Certified: Corrosion and Materials exam done! Pass4Success was a game-changer for my preparation.
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Norah

6 months ago
Passed on my first try! Pass4Success's materials were spot-on for the API Certified exam.
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Micah

7 months ago
Did you encounter any questions on corrosion under insulation (CUI)?
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Herminia

7 months ago
How detailed were the questions on corrosion in concrete structures?
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Sanda

7 months ago
Aced the API Corrosion exam! Pass4Success's practice tests were crucial for my success.
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Willard

8 months ago
Were there any questions on microbially influenced corrosion (MIC)?
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Ricki

8 months ago
How about corrosion monitoring techniques? Any specific methods I should study?
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Kenia

8 months ago
Just got my API Certification! Pass4Success helped me prepare efficiently in a short time.
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Ressie

9 months ago
Did you encounter any questions on stress corrosion cracking (SCC)?
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Willetta

9 months ago
I passed the exam, and I couldn't have done it without Pass4Success. There was a tough question about damage mechanisms, specifically identifying signs of hydrogen embrittlement. I had to recall the visual indicators and material susceptibility.
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Marjory

9 months ago
How about coating systems? Any specific areas to focus on?
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Mari

9 months ago
API Corrosion exam: check! Couldn't have done it without Pass4Success. Their questions were eerily similar to the real thing.
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Aron

10 months ago
Were there any questions on corrosion inhibitors?
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Carri

10 months ago
Finally, I passed the exam! The Pass4Success practice questions were spot on. One question that caught me off guard was about the fundamentals of corrosion, particularly the role of pH in corrosion rates. I had to remember the impact of acidic and alkaline environments.
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Franchesca

10 months ago
How about material selection questions? Any specific alloys I should focus on?
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Denny

10 months ago
Feeling relieved after passing the API Certified exam. Pass4Success made a huge difference in my preparation.
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Georgeanna

10 months ago
I passed the API Corrosion and Materials exam, and the practice questions from Pass4Success were a big help. There was a question about materials selection for high-stress environments. I was torn between choosing austenitic stainless steel and duplex stainless steel.
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Brandon

11 months ago
Did you encounter any questions on high-temperature corrosion?
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Theresia

11 months ago
So thrilled to have passed the exam! The Pass4Success questions made a huge difference. One question that puzzled me was about industry standards and codes, specifically the API 571 standard. I had to think hard about its application in identifying damage mechanisms.
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Layla

11 months ago
How detailed were the questions on cathodic protection systems?
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Rozella

11 months ago
Passed the API Corrosion exam in record time. Pass4Success really streamlined my study process.
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Paulina

11 months ago
I did it! I passed the exam, and Pass4Success practice questions were crucial. There was a question about corrosion control methods, particularly cathodic protection. I wasn't entirely sure about the difference between sacrificial anodes and impressed current systems.
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Man

12 months ago
Congrats! I'm preparing for the exam now. Any tips on corrosion rate calculations? I've heard they can be tricky.
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Eun

12 months ago
Passing the API Corrosion and Materials exam feels amazing! Thanks to Pass4Success, I was well-prepared. One challenging question asked about the fundamentals of corrosion, specifically the electrochemical process. I had to recall the role of anodes and cathodes.
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Lashon

1 years ago
Wow, that exam was tough! Glad I used Pass4Success to prepare. Their materials were a lifesaver.
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Hoa

1 years ago
You're welcome! Good luck with your preparation. Remember to focus on understanding the concepts rather than just memorizing facts. The exam tests your ability to apply knowledge to real-world scenarios.
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Sheridan

1 years ago
What a relief to have passed the exam! The practice questions from Pass4Success were incredibly helpful. There was a tricky question about selecting the right material for a corrosive environment. I debated between stainless steel and a nickel alloy but went with my gut.
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Norah

1 years ago
Just passed the exam! Final tip: Study corrosion management systems. Understand risk assessment and mitigation strategies. Thanks to Pass4Success for comprehensive and relevant study materials!
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Sina

1 years ago
I can't believe I passed the API Corrosion and Materials exam! The Pass4Success practice questions were a lifesaver. One question that stumped me was about identifying the most common damage mechanisms in a high-temperature environment. I wasn't sure if it was thermal fatigue or creep, but I managed to get through it.
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Delbert

1 years ago
Just passed the API Certified: Corrosion and Materials exam! Thanks to Pass4Success for the spot-on practice questions.
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Justine

1 years ago
My exam experience was successful as I utilized Pass4Success practice questions to prepare for the API Corrosion and Materials exam. The topics of Damage Mechanisms affecting Fixed Equipment and Refining Management were well-covered in the exam. One question that I found challenging was about the importance of material selection in preventing corrosion in a refinery setting. Despite my uncertainty, I was able to pass the exam.
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Yun

1 years ago
Just passed the API Certified: Corrosion and Materials exam! Expect questions on cathodic protection systems. Be prepared to calculate current density requirements for various structures. Study electrochemical principles thoroughly. Thanks to Pass4Success for their spot-on practice questions that helped me prepare quickly!
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Paris

1 years ago
I passed the API Corrosion and Materials exam with the help of Pass4Success practice questions. The exam covered topics such as Damage Mechanisms affecting Fixed Equipment and Refining Management. One question that stood out to me was related to the different types of corrosion mechanisms and how they can impact equipment integrity. Despite being unsure of the answer, I managed to pass the exam.
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Free API API-571 Exam Actual Questions

Note: Premium Questions for API-571 were last updated On Oct. 03, 2025 (see below)

Question #1

Exposure to high solution strength caustic can result in general corrosion or high corrosion rates above ________.

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Correct Answer: B

Question #2

For 5Cr-0.5Mo, what is the threshold temperature for creep?

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Correct Answer: B

Question #3

With short term overheating, time to failure will ___________ as internal pressures or loading decrease.

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Correct Answer: A

Question #4

There is currently no known metal alloy that is immune to _________ under all conditions.

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Correct Answer: B

Question #5

A carbon steel bundle from the overhead condenser in the crude unit operates at 300 F and is in hydrochloric acid service. It showed severe pitting type corrosion when pulled for inspection. What type of material would be best suited for this service?

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Correct Answer: D

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