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Borides
Borides of Mo, W, Cr, Ti and Zr find extensive industrial application. They exhibit extremely high hardness, melting point from 1800 to 3000oC and good chemical resistance. Conversely, their application is, restricted to temperature of 1400oC where they begin to oxidize.
Answers all questions i. Illustrate Zeroth law of thermodynamics. ii. A gas contained in a cylinder is compressed, the work neede for compression being 5000 KJ. During the pr
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what do you mean by static and dynamic unbalance in machinery
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