Answered: IV. It's not possible to use Through-… | bartleby

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IV. It's not possible to use Through - Transmission Technique of ultrasonic inspection
method to provide depth information of flaws because:
a. Only one searching unit used in the inspection.
b. It depends on reflection of sound from interfaces.
c. It depends on attenuation of sound waves within the test piece.
d. Sound wave travel time is not considered in this technique.

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