Fields generated in ferromagnetic material with AC current are useful for locating:

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Mr. Dubey

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📊 Non Destructive Testing and Evaluation

Q. Fields generated in ferromagnetic material with AC current are useful for locating:

(A) All discontinuities
(B) Surface cracks
(C) Subsurface discontinuities
(D) Internal porosity

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✅ Correct Answer: (B) Surface cracks

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