American Society for Nondestructive Testing (ASNT) Radiographic Testing Practice Test

The term that describes the range of specimen thickness that can be adequately recorded in radiography is commonly referred to as the latitude of the radiograph. This concept encompasses the ability of a radiographic method to faithfully capture images of varying thicknesses without losing significant detail or clarity.

In radiography, latitude indicates how much variation in thickness of the material can be exposed while still producing a usable image. A wide latitude allows for imaging of specimens that have considerable differences in thickness, ensuring that important features and flaws within the thicker and thinner parts of the material are preserved in the resulting radiograph. This is vital for ensuring that inspections yield reliable and informative results.

In contrast, the other terms mentioned focus on different aspects of radiographic techniques. For instance, exposure range generally refers to the range of exposure settings that can produce acceptable images, but it doesn't specifically address thickness. Resolution capability pertains to the detail level that can be achieved in an image, while contrast range concerns the differences in density between various materials in the radiograph. Thus, the concept of latitude is specifically aligned with addressing specimen thickness in radiographic imaging.

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