Most fluorescent dyes used for magnetic particle testing fluoresce what colour?

Related MCQs

• The fluorescent dyes used in the liquid penetrant testing process are most active when energised with black light of what wavelengths? (Å stands for angstrom units)
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• A magnetic particle testing technique in which the test piece is magnetised and magnetic particles applied after the magnetising force has been removed is called the:
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• Fluorescent magnetic particle indications should be inspected under
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