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Q. What do you mean by Thermosetting plastics?
This plastic undergoes a number of chemical changes on heating and cure to infusible and practically insoluble articles. The chemical change is not reversible thermosetting plastics do not soften on reheating and can not be reworked. They rather become harder due to completion of any left-over polymerization reaction. Eventually, at high temperatures, the useful properties of the plastic get destroyed. This is called degradation. The commonest thermosetting plastics are: alkyds, epoxides, polyesters, phenolics and urea.
constraint force
types of polymerisation in mechanical enginnering
Q. What are Interconnecting pipe racks? Interconnecting pipe racks carry the main process inlet, export and transfer lines and utility distribution lines to and from process an
(a) Show by use of Buckingham's Pi-Theorem that the velocity through an orifice is given by V = √2gH f D/H , M/ΡVH , σ/ΡV 2 H . Where H is the head causing flow, D is the diame
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Determine the analytical solution for the maximum stress of the beam shown; compare with stress results from SolidWorks. Draw shear and moment diagrams and print them from the beam
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