Q. A A widening of the front surface indication, when testing a rough surface, is caused by:

(A) Defects in the test piece
(B) A coarse grain structure
(C) A partial reflection of ultrasonic beam side lobe energy
(D) Ultrasonic instrument malfunction

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✅ Correct Answer: (C) A partial reflection of ultrasonic beam side lobe energy

Published by Mr. Dubey ⭐ 111.54K Points at 21-Sep-2023 07:19 pm in Non Destructive Testing and Evaluation

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