# Engineering Design in a machine shop. A variety determine the materia.docx

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Engineering Design in a machine shop. A variety determine the material, as 2-21 to 2-23 ith a file; observe color of underlying material and dem na vise, leaving 0.6 m cantilevered flection of the free end (within 20.8 mm). din what sequence, to minimize time and ble level of confidence. The table below 25.mm-diameter rod, 1 m long, of unknown material is found in a me A 25-mm-diameter rod, m long, of unkn nondestructive tests are readily available to help determine of inexpensive nondestructive tests are readil described below: T he (a) Visual inspection. (b) Scratch test: Scratch the surface with a file: observe of scratch. (c) Check if it is attracted to a magnet. (d) Measure weight (+0.25 N). (e) Inexpensive bending deflection test: Clamp one end in a vise, le Apply a force of 450 N (+4.5 N). Measure deflection of the free en (f) Brinell hardness test. la 0 B M 10. Choose which tests you would actually perform, and in what
• Fall '19
• Rockwell scale, Vickers hardness test

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