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Given below is a jumbled sequence of the processes involved in a wastewater treatment plant. Arrange them in their correct sequence. ​ Sludge is scraped out and skimmer removes the floating grease. ​ Water is made to settle in a large tank with a slope in the middle. ​ Large objects like plastic bags are removed by passing wastewater through bar screens. ​ Sand, grit and pebbles are made to settle by decreasing the speed of incoming wastewater. ​ Wastewater enters a grit and sand removal tank

Answer»

Given below is a jumbled sequence of the processes involved in a wastewater treatment plant. Arrange them in their correct sequence. ​





  1. Sludge is scraped out and skimmer removes the floating grease. ​




  2. Water is made to settle in a large tank with a slope in the middle. ​




  3. Large objects like plastic bags are removed by passing wastewater through bar screens. ​




  4. Sand, grit and pebbles are made to settle by decreasing the speed of incoming wastewater. ​




  5. Wastewater enters a grit and sand removal tank







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