Which of the following are the two overall types of weld testing and inspection?

The two overall types of weld testing and inspection are classified as destructive and non-destructive. This classification is significant because each type serves different purposes and applications in assessing the integrity and quality of welds.

Destructive testing refers to methods that involve the testing of welded joints to failure. In this process, samples are often taken from the welded structure and subjected to extremes of force, heat, or other conditions to examine their performance, strength, and reliability. Because of its nature, destructive testing is typically used for component verification or quality assurance, where the actual components are not needed after testing, such as in research and development settings.

Non-destructive testing, on the other hand, allows for the evaluation of a weld's integrity without damaging or altering the piece being tested. Techniques such as ultrasonic testing, radiographic testing, and magnetic particle inspection fall under this category. Non-destructive testing is widely used in industry because it provides critical information about the welds without sacrificing the integrity of the components involved, making it essential for ongoing safety and performance assessments.

The other options describe different concepts that do not categorize the methods of weld testing and inspection in the same way. Intrusive and non-intrusive, as well as qualitative and quantitative, refer to different approaches