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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.
#question calculate bending force
Spot welding of different metals-Stainless steel Stainless steel is having lower thermal conductivity compared to mild steel. Therefore, it requires less heat input. But, stain
MIG / CO 2 WELDING In MIG / CO 2 welding the feeding of filler wire is machanised. If the welder moves the MIG / CO 2 torch the process is called semi automatic MIG / CO 2
Illustrate the assumptions made in Euler's theory. Determine the expression for crippling load for a long column when one end of the column is fixed and other end is hinged.
Magnitude, direction and position of resultant force: Q : A horizontal line PQRS is 12 m long, and PQ = QR = RS = 4m. Forces of 1000, 1500, 1000 and 500 N act at P ,
what all are the application of superconductivity in daily life?
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primary steps in PM
Question: 1. A dump truck is shown in the figure. The loaded container has a mass of 8000 Kg and may be modelled as a solid homogeneous block. The hydraulic cylinder applie
Face plate turning fixtures
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