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12 questions from this quiz
Method to find flaws without damage
Cracks, voids, and inclusions
Components face extreme stresses
Surface cracks on components
Capillary action
Cleaning the material surface
Dye penetrates into surface cracks
Excess wiped, dye stays in cracks
Draws dye from cracks for contrast
Repair, replace, or leave component
Shows up brightly in darkened room
Better visibility of small defects
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