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Exam API-571 Topic 1 Question 91 Discussion
API Exam API-571 Topic 1 Question 91 Discussion
Actual exam question for API's API-571 exam
Question #: 91
Topic #: 1
[All API-571 Questions]
Corrosion from oxygen in boiler feed water usually creates:
A
Uniform corrosion.
B
Isolated pitting.
C
Intergranular cracking.
D
Transgranular cracking.
E
Hard and brittle zones.
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Suggested Answer:
B
by
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Jul 10, 2024, 11:37 AM
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Stephen
24 days ago
I think the correct answer is C) Intergranular cracking because oxygen can cause stress corrosion cracking.
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Judy
25 days ago
I'm gonna have to go with B. Isolated pitting. Sounds like the most straightforward result of that pesky oxygen.
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Ardella
28 days ago
I'm not sure, but I think it could also be A) Uniform corrosion.
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Edgar
1 months ago
Haha, I bet the correct answer is 'all of the above'. Oxygen in your boiler water is just a recipe for disaster all around!
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France
2 days ago
C) Intergranular cracking.
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Robt
25 days ago
B) Isolated pitting.
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Therese
27 days ago
A) Uniform corrosion.
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Belen
1 months ago
I disagree, I believe it's D) Transgranular cracking.
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Catalina
1 months ago
E. Hard and brittle zones? Really? That sounds like a weird side effect. I'll pass on that one.
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Casie
1 months ago
I'm going with C. Intergranular cracking can happen when you have oxygen corrosion, right? Seems like the most technical answer to me.
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Salina
25 days ago
C) Intergranular cracking can happen when you have oxygen corrosion, right? Seems like the most technical answer to me.
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Theresia
28 days ago
A) Uniform corrosion.
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Demetra
2 months ago
Definitely B. Isolated pitting is the classic result of corrosion from oxygen in boiler feed water. I've seen it firsthand in my plant.
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Isadora
21 days ago
Have you implemented any specific measures to prevent isolated pitting in your plant?
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Yesenia
25 days ago
Isolated pitting can lead to serious damage if not addressed promptly.
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Emilio
27 days ago
It's important to monitor and control the oxygen levels in boiler feed water to prevent this type of corrosion.
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Serina
1 months ago
I agree, isolated pitting is a common issue with oxygen corrosion.
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Vinnie
2 months ago
I think the answer is B) Isolated pitting.
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Stephen
24 days agoJudy
25 days agoArdella
28 days agoEdgar
1 months agoFrance
2 days agoRobt
25 days agoTherese
27 days agoBelen
1 months agoCatalina
1 months agoCasie
1 months agoSalina
25 days agoTheresia
28 days agoDemetra
2 months agoIsadora
21 days agoYesenia
25 days agoEmilio
27 days agoSerina
1 months agoVinnie
2 months ago