What material do you inspect in a liquid dye penetrant test?

Study for the Aviation Maintenance Technician, Second Class (AMT2) Exam. Use flashcards and multiple choice questions, with hints and explanations provided for each question. Prepare for success!

Multiple Choice

What material do you inspect in a liquid dye penetrant test?

Explanation:
Liquid dye penetrant testing is used to reveal surface-breaking flaws on nonporous materials. The dye is applied to the surface, seeps into any cracks or openings that connect to the surface, and after removing excess dye plus a developer, the flaw becomes visible. Because it detects only flaws that break the surface, it won’t reliably show internal defects below the surface, porosity, or hidden corrosion unless those conditions create a surface opening. So the material inspected is surface-breaking discontinuities in nonporous materials.

Liquid dye penetrant testing is used to reveal surface-breaking flaws on nonporous materials. The dye is applied to the surface, seeps into any cracks or openings that connect to the surface, and after removing excess dye plus a developer, the flaw becomes visible. Because it detects only flaws that break the surface, it won’t reliably show internal defects below the surface, porosity, or hidden corrosion unless those conditions create a surface opening. So the material inspected is surface-breaking discontinuities in nonporous materials.

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