API Exam API-571 Topic 1 Question 86 Discussion

Actual exam question for API's API-571 exam

Question #: 86
Topic #: 1

In general, the resistance of carbon steel and other alloys to High temperature corrosion is determined by the ________ content of the material.

AMolybdenum

BChromium

CCarbon

DAll of the above

Show Suggested Answer

Suggested Answer: B

by Francesco at May 10, 2024, 12:18 PM

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Judy

2 months ago

Wait, is this a pop quiz on the periodic table? I thought this was an engineering exam, not chemistry class!

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Solange

10 days ago

D) All of the above

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Germaine

17 days ago

C) Carbon

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Terrilyn

25 days ago

B) Chromium

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Zona

2 months ago

A) Molybdenum

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Sharmaine

2 months ago

I hope the correct answer isn't C) Carbon. That would be too obvious, even for a corrosion exam.

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Melodie

1 months ago

User 3: I'm going with D) All of the above, just to be safe.

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Ashlyn

1 months ago

User 2: I agree, chromium is known for its resistance to high temperature corrosion.

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Dana

2 months ago

User 1: I think the answer is B) Chromium.

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Tu

2 months ago

Hold on, isn't Molybdenum also a key alloying element for resisting high-temp corrosion? I'm going with D) just to be safe.

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Jovita

1 months ago

I agree, I'm going with D) All of the above too.

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Billy

1 months ago

Yeah, that's true. But don't forget about Chromium and Carbon as well.

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Alexia

1 months ago

I think you're right, Molybdenum does play a key role in resisting high-temp corrosion.

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Charisse

3 months ago

D) All of the above? That's a bit too convenient. I bet the engineers who wrote this exam are trying to trick us.

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Justine

1 months ago

C) Carbon

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Eladia

1 months ago

B) Chromium

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Jettie

1 months ago

A) Molybdenum

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Daren

3 months ago

I believe it's D) All of the above, as all these elements contribute to the resistance of carbon steel to high temperature corrosion.

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Royce

3 months ago

I agree with German, Chromium is known for its high temperature corrosion resistance.

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German

3 months ago

I think it's B) Chromium.

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Celestine

3 months ago

I'm not sure, but I think it might be D) All of the above because all these elements can contribute to corrosion resistance.

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Shannan

3 months ago

I agree with Trina. Chromium helps improve resistance to high temperature corrosion.

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Arlyne

3 months ago

Wait, is it really that simple? I'm going to have to think this through a bit more. Could it be all of the above?

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Virgie

2 months ago

I'm not sure, but I think it could be all of the above.

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Venita

2 months ago

I think it's Chromium.

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Donte

3 months ago

Hmm, the correct answer must be B) Chromium. Chromium is a key element that forms a protective oxide layer to resist high-temperature corrosion.

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Carry

2 months ago

That's correct, Chromium is a crucial element in alloy materials for this reason.

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Janella

2 months ago

So, the higher the Chromium content, the better the resistance to high temperatures.

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Brandon

2 months ago

Yes, Chromium forms a protective layer that helps prevent corrosion.

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Ma

2 months ago

I think you're right, Chromium is essential for resisting high-temperature corrosion.

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Trina

3 months ago

I think it's B) Chromium.

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