Jeppesen Oral- Chapter 11 (Nondestructive Testing) Flashcards
1
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A
- surface is cleaned 2. Penetrant is applied and allowed to dwell for specified time 3. Penetrant is removed with cleaner/ emulsifier 4. surface is dried and developer is applied
2
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Magnifying glass, flashlight, mirror
3
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Visual, dye penetrant, eddy current, ultrasonic, x-ray
4
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Capillary action allows penetration
5
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A
Bead width 3-5 times the thickness of base metal Must be 100% penetration
6
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Rough, irregular edges that are not feathered into the base metal and has variations in penetration amounts
7
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- Magnetize the part 2. Coat the surface with ferromagnetic particles 3. If defect or discontinuity is present, particles align with the defect
8
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A
25 to 50%