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Which of the following nondestructive testing methods can be used to evaluate sub-surface discontinuities in aluminum bar stock?
. Microwave.
. Magnetic particle.
. Pulse echo.
. Eddy current.
Suggested Answer: C
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6 comments · newest first
RO
Roslyn
11 months ago
I’m with you, pulse echo is key for sub-surface issues.
NA
Naomi
12 months ago
Wait, can microwave really be used for this? Sounds odd!
AL
Albina
12 months ago
Eddy current is definitely a go-to for aluminum.
NG
Ngoc
12 months ago
I disagree, magnetic particle should be included too.
OZ
Ozell
1 year ago
I think microwave and pulse echo are solid choices!
AL
Alexis
1 year ago
I'm a bit confused by this question. None of the options seem like they would actually protect your hands effectively. I'm going to have to think about this one a bit more before making a decision.