Black box testing
beam penetration method produce a three colors
Partial Penetration Weldments could be tested using Ultrasound Testing method. It should not be used to evaluate the intergrity of the weld but could be used to detect the root penetration and the depth. Godfrey Tisseverasinghe
= Scientific and unscientific method of acquiring knowledge? =
Scientific method-Acquiring knowledge in scientific method will have strong basics and more rational. The knowledge can be acquired from books and experiments Unscientific method-This kind of knowledge will be only a hypothesis and belief. This can be achieved through experience and from elders
Lead flashing.
what is metaphysical method of learning
hypothetico-deductive method maybe 2 words
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science
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