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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).
a) Determine the relative error if 2/3 is approximate to 0.667. b) √29 = 5.385 and √Π= 3.317 Correct to 4 significant figures. Determine the relative errors in their sum and dif
Q. Why we use cold working? Cold working takes place below the recrystallization temperature, and therefore is fundamentally different at the atomic level with effects up to th
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Q. Define FLARE AND VRU SYSTEM? VRU, HP and LP Flare systems are used to collect normal and emergency releases from the process and recycle or dispose of them in a safe manner.
what is law of gearing
is it correct tosay tha the heat content of the system is 5 kv.
Lifting machines: Basic definitions of the lifting machines and some lifting machines have been described. For each of these machines, derivation of the formulae for mechanica
DIFFUSION BONDING In this process, union between specially prepared mating surfaces takes place as a result of diffusion, which occurs due to high temperature & pressure, exer
what are the Standard grades of pure iron used for magnetic applications?
Q. What are the role of Roads in design of a plant? Roads are an important part of the design of a plant, as they provide access and separation during normal operation as well
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