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

Question: 1 / 400

Which factor is critical to achieve optimal film length during x-ray processing?

Exposure time

Developer temperature

The critical factor for achieving optimal film length during x-ray processing is the developer temperature. The developer temperature directly influences the chemical reaction rate that occurs during the development of the film. When the temperature is maintained within the recommended range, it ensures that the emulsion on the film reacts properly to the developer, resulting in optimal film density and contrast. If the temperature is too low, the development process may be incomplete, leading to underexposed images. Conversely, if the temperature is too high, it can cause overdevelopment, resulting in foggy or overly dense images. Thus, managing the developer temperature is essential for producing quality radiographic films with the correct characteristics.

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Type of film used

Source-to-film distance

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