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What is the duration of the API-571 Exam

Length of Examination: 3.25 hours
Number of Questions: 70
Format: Multiple choices, multiple answers

How to book the API-571 Exam

These are following steps for registering the API-571 Exam.Step 1: Signup/Login to ICP PortalStep 2: Submit an applicationStep 3: After your application is approved, Select Date, time and confirm with payment method

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API API-571 Pdf Questions - Outstanding Practice To your Corrosion and Materials Professional Exam

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API Corrosion and Materials Professional Sample Questions (Q67-Q72):

NEW QUESTION # 67
Which of the following locations would be most susceptible to naphthenic acid corrosion (NAC)?

A. Regions of high velocity and turbulence
B. Under deposits
C. Deadlegs
D. Downstream from an injection point

Answer: A

Explanation:
According to API RP 571, under Naphthenic Acid Corrosion (NAC):
"The most severe corrosion is typically found in areas of high velocity and turbulence, such as at pump around nozzles, transfer lines, elbows, reducers, and orifices."
"NAC is characterized by uniform thinning and can accelerate significantly where flow-induced erosion is present." (Reference: API RP 571, Section 4.3.4.1 - Naphthenic Acid Corrosion) This clearly establishes that high velocity and turbulence increase NAC severity, making option D correct.

NEW QUESTION # 68
Generally, to minimize corrosion of carbon steel in hydrofluoric acid service, residual elements (Cr, Ni, Cu) should be less than:

A. 0.25 wt.%
B. 0.35 wt.%
C. 0.18 wt.%
D. 0.15 wt.%

Answer: D

Explanation:
API RP 751, which governs HF alkylation units, specifies:
"The total residuals of chromium, nickel, and copper in carbon steel used in HF service should be less than
0.15 wt.% to minimize corrosion risk."
"Higher residuals increase the reactivity and corrosion rate of carbon steel in the presence of HF acid." (Reference: API RP 751, Section 5.3 - Materials Specification for HF Units) Therefore, option A is the correct choice.

NEW QUESTION # 69
Cracking of dissimilar weld metals occurs on the _________ side of a weld between an austenitic and a Ferritic material operating at high temperatures.

A. Ferritic
B. Cathodic
C. Anodic
D. Austenitic

Answer: A

NEW QUESTION # 70
For furnaces, to prevent PASCC, keep the firebox heated above the dewpoint to keep ________ from forming.

A. Acids
B. Water
C. Moisture
D. Corrosion

Answer: A

NEW QUESTION # 71
Regular and controlled carbon grades of stainless steels such as types 304/304H and 316/316H are particularly susceptible to sensitization in the weld HAZ. Low carbon "L" grades are less susceptible and usually can be welded without sensitizing. The "L" grades will not sensitize provided long term operating temperatures do not exceed about __________.

A. 700(o) F
B. 800(o) F
C. 900(o) F
D. 750(o) F

Answer: D

NEW QUESTION # 72
......

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Biography

API-571 Passing Score Feedback & API-571 Reliable Test Experience

What is the duration of the API-571 Exam

How to book the API-571 Exam

API API-571 Pdf Questions - Outstanding Practice To your Corrosion and Materials Professional Exam

API Corrosion and Materials Professional Sample Questions (Q67-Q72):

Quick Link

Resources

Ray Hill Ray Hill

Biography

API-571 Passing Score Feedback & API-571 Reliable Test Experience

What is the duration of the API-571 Exam

How to book the API-571 Exam

API API-571 Pdf Questions - Outstanding Practice To your Corrosion and Materials Professional Exam

API Corrosion and Materials Professional Sample Questions (Q67-Q72):

Quick Link

Resources

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