What type of testing does x-raying structural systems represent?

X-raying structural systems falls under non-destructive testing. This type of testing is conducted to evaluate the integrity and properties of a material or structure without causing any damage. X-rays allow professionals to visualize the internal features of materials, such as concrete or welds, revealing flaws, voids, or irregularities. This is critical in ensuring the safety and reliability of structures, as it helps in identifying potential issues before they lead to failure.

On the other hand, destructive testing involves methods that can compromise the structural integrity of the material, such as breaking or crushing it to assess its strength. Standard construction testing usually refers to a variety of procedures that often include both destructive and non-destructive methods. Financial testing, while important in the context of project management, does not pertain to the physical examination of materials or structures. Therefore, non-destructive testing accurately represents the process of x-raying structural systems, making it the correct choice.