When comparing discontinuity echoes to equivalent flat bottom hole ech – McqOptions

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1.	When comparing discontinuity echoes to equivalent flat bottom hole echoes in materials with similar impedance, surface finish and attenuation:
A.	The flaw is never larger than the flat bottom hole
B.	The flaw is never smaller than the flat bottom hole
C.	The flaw is always smaller than the flat bottom hole
D.	None of the above
Answer» E.

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