Q. What causes a leakage field in a steel bar?

(A) A crack
(B) Reversal of the magnetic field
(C) Paint on the surface
(D) All of the above

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✅ Correct Answer: (A) A crack

Published by Mr. Dubey ⭐ 109.99K Points at 21-Sep-2023 07:19 pm in Non Destructive Testing and Evaluation

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