API Exam API-571 Topic 1 Question 83 Discussion

Actual exam question for API's API-571 exam

Question #: 83
Topic #: 1

Protection in a boiler from boiler feed water corrosion is accomplished by:

AInjecting chlorines to kill microbiological bugs.

BInjecting caustic to lower the ph to < 4.0.

CLowering solids content in boiler feed water to less than 50 ppm.

DMaintaining a protective corrosion layer of magnetite (Fe3O4).

Show Suggested Answer

Suggested Answer: D

by Arthur at Apr 13, 2024, 10:22 AM

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9 days ago

Okay, let's see. Chlorine is for disinfection, caustic lowers pH, and solids content is important, but I think the magnetite layer is the key here.

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11 days ago

Haha, I bet the instructor is trying to trick us with these answer choices. They all seem kind of plausible.

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12 days ago

I'm not too confident about this question. Maybe I should have studied more on boiler water chemistry.

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13 days ago

Ah, I know this one! It's all about maintaining that protective magnetite layer, right?

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14 days ago

Hmm, I think I remember learning about this in my boiler operator training. Let me think it through.

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16 days ago

Wow, this is a tricky one! I'm not sure I know the right answer, but I'll give it my best shot.

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