PCN NDT Ultrasonic Testing Level 2 Exam Practice Questions - PCN NDT Ultrasonic Testing Level 2 Exam

What is the primary characteristic that distinguishes a longitudinal wave from a shear (transverse) wave?

The frequency of the wave. The amplitude of the wave. The direction of particle motion relative to wave propagation. The medium through which the wave travels.

Correct Answer:

The direction of particle motion relative to wave propagation.

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