When radiographs are produced to detect defects, they show up as ___________(a) tubes(b) dark spots(c) invisible spots(d) light spotsThe question was posed to me by my college professor while I was bunking the class.My doubt is from Testing Aircraft Materials in portion Testing Aircraft Materials of Aerospace Materials & Processes

When radiographs are produced to detect defects, they show up as _____

1.	When radiographs are produced to detect defects, they show up as ___________(a) tubes(b) dark spots(c) invisible spots(d) light spotsThe question was posed to me by my college professor while I was bunking the class.My doubt is from Testing Aircraft Materials in portion Testing Aircraft Materials of Aerospace Materials & Processes
Answer» CORRECT choice is (d) light SPOTS To explain I would say: RADIOGRAPHY is a non-destructive METHOD of inspecting materials. It is performed by passing either X-rays or gamma-rays through the MATERIAL being tested. Defects or cracks are obtained in the picture in the form of light spots.

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