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Q. |
When contouring an angle beam wedge for a convex surface, an undesirable result of a wedge which is contoured too well might be: |
A. | Production of unwanted surface waves |
B. | Greater beam divergence due to larger contact area |
C. | Lower beam divergence due to larger contact area |
D. | Overly efficient coupling of sound beam into test part |
Answer» A. Production of unwanted surface waves |
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