What is defined as an "NDT procedure"?

An "NDT procedure" is best defined as a detailed outline of methods and standards for conducting Non-Destructive Testing. Such a procedure is crucial because it specifies the techniques, processes, and parameters that need to be followed to ensure accurate and consistent results during inspections. It typically includes information on test methods, acceptance criteria, equipment calibration, and specific instructions tailored to the material or component being tested.

This level of detail allows technicians to perform inspections reliably, maintaining compliance with industry standards and ensuring that the results are both valid and repeatable. By providing a structured approach, the procedure helps in achieving a uniform standard of quality and is essential for ensuring that all personnel conduct inspections in a consistent manner, which is vital for safety and reliability in industries such as aerospace, construction, and manufacturing.

Other choices would not capture the comprehensive nature of an NDT procedure; for instance, while destructive testing is important, it is not compatible with NDT and does not align with its non-destructive philosophy. Brief overviews or tutorials might provide helpful information but do not represent the formal documentation and detailed instructions that an NDT procedure encompasses.