Notes and Study material for Exams
Sanitation and Water Disposal The seriousness of the challenges associated with urban Water supply and sanitation in India have been recognised in recent times. After decades of neglect, the first national effort to invest in the urban water and sanitation sector commenced in the 1970s, but was accorded considerable priority in the subsequent two decades … Read more
Pipes and Cistern Inlet: A pipe connected with a tank or a cistern or a reservoir, that fills it, is known as an inlet. Outlet: A pipe connected with a tank or cistern or reservoir, emptying it, is known as an outlet. If a pipe can fill a tank in xhours, then: … Read more
Water Resources in India India accounts for about 2.45 per cent of world’s surface area, 4 per cent of the world’s Water Resources and about 16 per cent of world’s Population. The total water available from Precipitation in the country in a year is about 4,000 cubic km. The availability from surface water and … Read more
Water is a prime natural resource, a basic human need and a precious national asset. Planning, development and management of water Resources need to be governed by national perspectives. India accounts for about 2.45 per cent of world’s surface area, 4 per cent of the world’s Water Resources and about 16 per cent of … Read more
Inclusive Growth of almost all sectors of the economy. High class infrastructure certainly accelerates the pace of development. Now, when the Indian economy is emerging as a fast growing economy, the Government of Rajasthan has also taken several initiatives for the growth and development in infrastructure sector. It is evident by the fact that the … Read more
Addition of certain substances to the water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Putrescibility is the process of decomposition of organic matter present in water by Microorganisms using Oxygen. Water having DO (dissolved oxygen) content below 8.0 mg/L may be … Read more
Safe Drinking And Supply Safe drinking water is the birthright of all humankind – as much a birthright as clean air. The majority of the world’s Population, however, does not have access to safe drinking water. This is certainly true in most parts of Africa and Asia. Even in relatively advanced countries such as India, … Read more
Waste Water Management Water, food and energy securities are emerging as increasingly important and vital issues for India and the world. Most of the river basins in India and elsewhere are closing or closed and experiencing moderate to severe water shortages, brought on by the simultaneous effects of agricultural Growth, industrialization and Urbanization. … Read more
Eutrophication is a syndrome of ecosystem, response to the addition of artificial or natural substances such as nitrates and phosphates through fertilizer, sewage, etc that fertilize the AQUATIC ECOSYSTEM. The Growth of green algae which we see in the lake surface layer is the physical identification of an Eutrophication. Some algae and blue-green bacteria … Read more