Question 1
In the de Waard-Milliams model for CO2 corrosion of carbon steel, which combination of parameters has the STRONGEST influence on predicted corrosion rate?
Correct Answer:
CO2 partial pressure, temperature, pH, and flow velocity (with corrosion-product film formation)
Question 2
Which parameter defines the 'sour service' threshold per NACE MR0175/ISO 15156 for carbon and low-alloy steels?
Correct Answer:
H2S partial pressure ≥ 0.05 psi (0.3 kPa) in the gas phase
Question 3
According to MR0175, which hardness limit is usually specified for carbon and low-alloy steels in sour service to resist SSC?
Correct Answer:
HRC 22 max (HV 248 max)
Question 4
Which test method is most commonly used to qualify carbon steel linepipe for HIC resistance per MR0175?
Correct Answer:
NACE TM0284
Question 5
Which test qualifies carbon steels for SSC resistance per MR0175?
Correct Answer:
NACE TM0177
Question 1
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Prepare with the AMPP Senior Corrosion Technologist Practice Questions - AMPP Senior Corrosion Technologist Certification Exam practice quiz. This question bank includes 100 questions covering corrosion, carbon, service, steel, and sour. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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AMPP Senior Corrosion Technologist Practice Questions - AMPP Senior Corrosion Technologist Certification Exam

This practice set contains 100 questions from the matching question bank and focuses on corrosion, carbon, service, steel, and sour. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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