When inspecting a long bar with a longitudinal wave from one end, a series of additional echoes are seen immediately after the bottom surface reflection. these are most likely:

Mr. Dubey • 52.30K Points
Coach

Q. When inspecting a long bar with a longitudinal wave from one end, a series of additional echoes are seen immediately after the bottom surface reflection. these are most likely:

(A) Refracted shear and longitudinal waves caused by beam spread

(B) Flaw indications

(D) None of the above

Correct : Option (D)

Discusssion

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