Q.

Most commercial ultrasonic testing is accomplished using frequencies between:

A. 1 and 25 kHz
B. 0.2 and 25 MHz
C. 1 and 1 000 kHz
D. 15 and 100 MHz
Answer» B. 0.2 and 25 MHz
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EZINWO KINIKANWO
5 months ago

Please I would love to have material on NDT , love this page and this courses
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