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

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What could be a consequence of screens and film not being in close contact during radiographic testing?

Increased radiation exposure

Loss of definition in the image

The situation where screens and film are not in close contact during radiographic testing leads to a significant reduction in the quality of the resulting image, primarily causing a loss of definition. In radiographic testing, screens are used to enhance the sensitivity of the film and improve the overall quality of the image. When there is a gap or insufficient contact between the screens and the film, this results in a scattering of light emitted from the screens, which blurs the image being captured. Consequently, the fine details that are critical for interpreting the integrity of a material may become indistinct or less precise, making it difficult to detect flaws or features that are crucial for analysis. This degradation in image quality could lead to misinterpretations or overlooked defects, ultimately compromising the effectiveness of the inspection.

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Delayed processing time

Enhanced film quality

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