For a radiograph to have a penetrameter sensitivity of 2-2T or better, what must the radiographic procedure be able to define?

For a radiograph to achieve a penetrameter sensitivity of 2-2T or better, it is essential that the radiographic procedure demonstrates the capability to clearly define a 2T hole in a penetrameter. The sensitivity of the radiograph is a measure of how well it can distinguish fine details within the material being examined.

The term "2T" refers to a size that is twice the thickness of the penetrameter, and being able to resolve such a hole indicates the contrast and clarity the radiographic technique provides. This ensures that the radiograph is capable of detecting subtle variations and potential defects in the material that could be critical for structural integrity.

Choosing a 2T hole directly relates to the standard used in industrial radiography to assess the quality and effectiveness of the radiographic setup, including factors like exposure time and film type. This sensitivity is crucial for making informed evaluations of material conditions, thereby facilitating safety and quality assurance in engineering applications.