Which type of non-destructive testing equipment can determine the depth of an object embedded in a slab?

Ground penetrating radar is particularly effective for determining the depth of objects embedded in a slab because it uses high-frequency electromagnetic waves to penetrate the surface and reflect off different materials below. This technology can provide detailed images of what lies beneath the surface, making it useful for locating plumbing, utility lines, and other embedded structures. It provides real-time information about the location and depth of these objects without needing any invasive procedures, allowing for quick assessments and reducing the risk of damaging existing infrastructures.

This technique can distinguish between various materials based on their dielectric properties, enabling precise depth measurements. In contrast, ultrasonic testing is generally better suited for inspecting the internal structure of materials rather than determining the depth of embedded objects. X-ray inspection is mainly utilized for evaluating the integrity of components, and resistivity testing is often used for assessing moisture levels and soil conditions, rather than specifically measuring depth. Each of these alternatives has its own applications but does not provide the same level of capability for depth determination as ground penetrating radar does.