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API-577 Exam - Topic 4 Question 25 Discussion

ACFM is an NDE technique ideal for inspecting:
A) Nozzles, ring-grooves, and grind-out areas.
B) Lap joint welds and uphill welding.
C) Butt welds (single and double bevel) and plug welds.
D) Fillet welds, J-welds, and seal welds.

API-577 Exam - Topic 4 Question 25 Discussion

Actual exam question for API's API-577 exam
Question #: 25
Topic #: 4
[All API-577 Questions]

ACFM is an NDE technique ideal for inspecting:

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Suggested Answer: A

by Georgene at May 02, 2026, 08:47 AM

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Jettie
Exactly! A is specific and effective for those inspections.
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Kaitlyn
5 days ago
True, but ACFM's precision on nozzles is unmatched.
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Gwen
10 days ago
But C covers more types of welds. It's a strong contender.
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Jettie
15 days ago
ACFM really shines with nozzles and grooves. Definitely A.
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Buffy
21 days ago
I feel like C could be right too. Butt welds are critical.
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Kaitlyn
26 days ago
I think A is the best choice. ACFM is great for those areas.
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Ashton
1 month ago
C is the way to go for butt welds, no doubt!
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Devora
1 month ago
Really? I didn't know it worked on grind-out areas too.
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Esteban
1 month ago
Definitely agree with A! Perfect for those areas.
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Maxima
2 months ago
I thought it was mainly for butt welds?
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Rhea
2 months ago
ACFM is great for nozzles and ring-grooves!
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Margart
2 months ago
I thought D was a possibility too, but I can't recall if ACFM is typically used for fillet welds.
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Sherrell
3 months ago
I practiced a question like this, and I feel like C might be the right choice since butt welds are often inspected with ACFM.
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Felicia
4 months ago
I'm not entirely sure, but I remember something about lap joints being more suited for visual inspections rather than ACFM.
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Anglea
4 months ago
I think A sounds familiar, especially with nozzles and grind-out areas being common inspection points.
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