Engineering, 08.02.2021 22:00 MJyoungboy

A 1-in-diameter rod, 3 ft long, of unknown material is found in a machine shop. A variety of inexpensive nondestructive tests arereadily available to help determine the material, as described below:(a)Visual inspection.(b)Scratch test: Scratch the surface with a file; observe color of underlying material and depth of scratch.

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A 1-in-diameter rod, 3 ft long, of unknown material is found in a machine shop. A variety of inexpen...