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subject: Nondestructive Evaluation Problem 2. The properly exposed radiograph was obtained for an aluminum weld 1...

subject: Nondestructive Evaluation

Problem 2.

The properly exposed radiograph was obtained for an aluminum weld 1 inch thick with the source 60 inches from the film. The geometric unsharpness, however, was found to be unsatisfactory and source-to film distance was increased to 120 in. What would be a proper exposure time for this new placement, compared to the original exposure time T0 ?

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