Liquid Penetrant Testing (LPT) (Level II)Test 04 Quiz
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Question.
Which of the following statement concerning contaminating materials on the surface of a penetrant test specimen is false?.
The contaminant may be of a composition that attacks the penetrant and reduces the fluorescence or color of the penetrant.
The contaminant may reduce or even prevent capillary action by the penetrant.
The contaminant may retain the penetrant and thus increase the sensitivity of the inspection.
The contaminant may completely fill the crack and thus prevent the entry of penetrant
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