True or False: A discontinuity in non-destructive testing refers to an interruption in the normal physical structure of a part.

A discontinuity in non-destructive testing indeed refers to an interruption or a deviation in the normal physical structure of a part. This could manifest as flaws such as cracks, inclusions, voids, or other imperfections that can impact the integrity and performance of a material or component. Non-destructive testing (NDT) methods are specifically designed to detect these disruptions without causing any damage to the part being examined, hence the term "non-destructive."

Recognizing and evaluating discontinuities is crucial in assessing the safety, reliability, and overall quality of components across various industries, including aerospace, automotive, and manufacturing. This understanding allows engineers and technicians to ensure that parts meet the required specifications and standards for safe operation.