Q. Abnormally large grain size in the test material may be indicated by:

(A) High levels of baseline noise, or hash
(B) High amplitude reflections between front and back surface echoes
(C) High amplitude, spurious echoes which are not repeatable
(D) Abnormally high back surface echo

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✅ Correct Answer: (A) High levels of baseline noise, or hash

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

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