Q. Spurious indications might be caused by which of the following?

(A) Mode conversion from beam spread in a long specimen
(B) Surface waves generated during straight beam testing
(C) A test piece with a smooth machined surface
(D) All of the above

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✅ Correct Answer: (A) Mode conversion from beam spread in a long specimen

Published by Mr. Dubey ⭐ 111.54K Points at 21-Sep-2023 07:20 pm in Non Destructive Testing and Evaluation

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