Polished, flat surfaces are undesirable for ultrasonic testing consideration because:

M

Mr. Dubey • 52.26K Points
Coach

Q. Polished, flat surfaces are undesirable for ultrasonic testing consideration because:

(A) Coupling losses are greater

(B) Scan speeds tend to be too rapid

(C) Spurious lamb waves are prevalent

(D) The probe sticks to the surface because of suction

Correct : Option (D)

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