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Multi frequency testing allows to overcome problems in eddy current testing.

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in Casting-Forming-Welding II by (119k points)
Multi frequency testing allows to overcome problems in eddy current testing.

(a) True

(b) False

This question was posed to me during an internship interview.

The above asked question is from Eddy Current Test topic in chapter Non Destructive Techniques of Casting-Forming-Welding II

1 Answer

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by (701k points)
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Best answer
Right answer is (a) True

To elaborate: It is one of the limitations of eddy current testing that, below a certain thickness of the surface defect, the defect cannot be detected. This particular problem can be overcome by using multifrequency testing.

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