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Q. Basic type of Polymer?
Polymer can be divided into three broad divisions: plastics, fibers, and elastomers. Synthetic resins are usually referred to as plastics. Plastic derive their name from the fact that in a certain phase of their manufacture, they are present in a plastic stage (that is, acquire plasticity), which makes it possible to impart any desire shape to the product. Plastics fall into a category known chemically as high polymers.
Thus, "plastics" is a term applied to compositions consisting of a mixture of high molecular compounds (synthetic polymers) and fillers, plasticizers, stains and pigments, lubricating and other substances. Some of the plastic can contain nothing but resin (for instance, polyethylene, polystyrene).
Classification Based on Type of Welding Fusion welding : These processes involve fusion of the base metal to complete the weld. Fusion welds generally do not require thea
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state the purpose and function of work holder
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Q. Explain Moulding Sand for Non-ferrous Casting? The melting point of non- ferrous metal is much lower than that of ferrous metals. Therefore, the moulding sands for non-ferr
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how to understand what is carnot vapour cycle???please understand me..??
Manufacturing Processes: Importance of Manufacturing: The importance of manufacturing is that a gives usable product from the ore of different metals and from different mate
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