Exam use
Direct answer
Which NDE method uses high-frequency sound to evaluate internal reflectors can appear as a definition, a scenario, a calculation setup, a safety judgment, or a best-next-step question. Start from the plain meaning: Ultrasonic testing introduces high-frequency sound and interprets reflections from internal interfaces or discontinuities. Then compare it against related areas like Welding fundamentals, Inspection terminology, Welding symbol interpretation before choosing an answer.
How to use this answer
Read the answer once, then prove it by choosing an answer in a practice question before looking at the explanation. If the miss repeats, tag the domain as NDE and drill a smaller set before returning to mixed practice.
Prep path
CWI Study Guide
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