2025 NEW API-571 TEST PREPARATION | USEFUL 100% FREE CORROSION AND MATERIALS PROFESSIONAL EXAM DUMPS

2025 New API-571 Test Preparation | Useful 100% Free Corrosion and Materials Professional Exam Dumps

2025 New API-571 Test Preparation | Useful 100% Free Corrosion and Materials Professional Exam Dumps

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Tags: New API-571 Test Preparation, API-571 Exam Dumps, API-571 Valid Test Questions, API-571 Reliable Exam Papers, Test API-571 Free

The API-571 pdf format of the TestBraindump product is easy-to-use. It contains actual Corrosion and Materials Professional (API-571) exam questions. You can easily download and use API API-571 pdf on laptops, tablets, and smartphones. TestBraindump regularly updates API-571 Exam Questions' pdf version so that you always have the latest material. Furthermore, the API API-571 pdf can be printed enabling paper study.

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API-571 Exam Reference

Certification Path

The API Corrosion and Materials certification path includes only one API-571 Certification Exam.

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API-571 Exam Dumps & API-571 Valid Test Questions

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API Corrosion and Materials Professional Sample Questions (Q73-Q78):

NEW QUESTION # 73
In order to minimize and prevent amine SCC, PWHT all carbon steel welds in accordance with API RP
_____.

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: B


NEW QUESTION # 74
Proactive and retroactive positive material identification programs are especially useful for services exposed to:

  • A. Ammonia stress corrosion cracking
  • B. Caustic embrittlement
  • C. Sulfidation
  • D. Sour water

Answer: C

Explanation:
API RP 578 (Material Verification Program), referenced in API RP 571, specifically calls out sulfidation failures as a major driver for Positive Material Identification (PMI):
"PMI programs are particularly important in services prone to sulfidation where incorrect alloying elements (e.
g., carbon steel used in place of low Cr alloy) have led to catastrophic failures."
"Many failures have occurred when carbon steel was mistakenly installed in place of specified Cr-alloys in sulfidation-prone environments." (Reference: API RP 578 and API RP 571, Section 4.2.1.1 - Sulfidation) Thus, option C is the most appropriate answer.


NEW QUESTION # 75
Stress levels and __________ are the critical factors causing carbonate stress corrosion cracking.

  • A. Velocity
  • B. Water chemistry
  • C. None of the above
  • D. Temperature

Answer: B


NEW QUESTION # 76
Corrosion rates associated with hydrofluoric (HF) acid would be expected to increase if:

  • A. Temperatures are below 150°F (66°C) and there is less than 3% water
  • B. Copper-nickel alloy is used
  • C. HF acid concentration increases
  • D. Temperature and water content increase

Answer: D

Explanation:
According to API RP 571 and API RP 751 (HF Alkylation Units):
"HF acid corrosion rates increase with elevated temperature and higher water content. This is because water acts as an ionizing agent that facilitates the acid's attack on steel."
"Corrosion is minimized when water content is strictly controlled, usually between 0.5-1.5%."
"Contrary to some assumptions, increasing HF acid concentration actually decreases corrosivity." Hence, option B is correct.


NEW QUESTION # 77
Thermal fatigue cracks propagate ________ to the stress and are usually dagger shaped, transgranular and oxide-filled.

  • A. Angular
  • B. Axial
  • C. Transverse
  • D. Diagonal

Answer: C


NEW QUESTION # 78
......

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