DEFINATION POLYMER-: A polymer is a large molecule of high molecular weight obtained by the chemical interaction of many small molecule of low molecular weight of one or more type. The process of manufacture of polymer is called polymerization.
LUBRICANTS Introduction and Mechanism of Lubrications Any substance that reduces friction between two moving surfaces is termed as lubricant and this property of reducing friction is called as lubricity.The main application of lubricant is motor oil .This
Water in industry is used for cooling,transportation,washing and as a solvent.The principal industrial water users are-thermal and atomic power generation, chemical and petroleum plant, ferrous and non-ferrous metallurgy, wood pulp and paper industry,
Water is a colourless, tasteless and odourless. It is composed of oxygen and hydrogen. Water can dissolve energy naturally occurring substances on the earth. Because of its property water has been termed as “universal solvent”. SOURCES OF WATER
FUEL:- Fuels are any material that store potencial energy in any forms that can be particularly used as heat energy. The concept of fuel was originally applied solely to those materials that are storing energy in the form of chemical energy that could
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