By R.C. Gaur

The e-book covers the recent syllabus of the semester scheme for the 1st yr in R.T.U. and different universities. It encompasses the sensible purposes of the topic, that's the genuine desire of the hour and in addition discusses the most important environmental difficulties we are facing this day. It includes actual info supplied by means of different Manuals ready through The C.P.H.E.E.O. It comprises examples of alternative tasks and schemes for representation. uncomplicated sketches and more uncomplicated derivations of the mathematical formulations were followed. evaluation questions on the finish of every bankruptcy are given to check the certainty of the reader. the sensible difficulties of box and primary suggestions were correlated by means of the significant event and deep experience of shock to the mum earth.

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Sample text

Goes down the earth and gets mixed (at a shallow depth) with the ground water it pollutes it. If this ground water lifted by a hand pump or a tube-well is used again without disinfect ion it shall cause disease in the person using it. Sometimes the dissolved salts may produce some other diseases like fluorosis (due to excessive fluoride) mathemaglobinemia (blue baby disease) due to excessive nitrates in, infants) etc. So water must not have the physical, chemical and bacteriological parameters beyond limits.

Generally a dam is constructed for generation of hydroelectricity, irrigation and a measure against floods and draughts. So it is a multipurpose project and water supply is a small part of the project. Actually, the total yearly demand of potable water (drinking water) is very less (say 1% of the water required for irrigation purpose). So the dams (reservoirs), canals and other systems mainly designed for irrigation are simultaneously used for water supply. The Indira Gandhi Main Canal flows in Rajasthan starting from Hari-ke-Barrage to Mohangarh in Jaisalmer about 600 km long.

It is true that the increasing population is exerting more and more demand on the available resources and for filling the gap between demand and supply (here water demand for drinking and water supply through surface or underground sources) we are disturbing nature. The nature is elastic to some level only and after its endurance limit it may become violent and we may have to face serious repercussions. So conservation of water is the Water Pollution 19 best policy with its wise and thoughtful use.

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