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प्रश्न
Given below is a jumbled sequence of the processes involved in a wastewater treatment plant. Arrange them in their correct sequence.
(a) Sludge is scraped out and the skimmer removes the floating grease.
(b) Water is made to settle in a large tank with a slope in the middle.
(c) Large objects like plastic bags are removed by passing wastewater through bar screens.
(d) Sand, grit and pebbles are made to settle by decreasing the speed of incoming wastewater.
(e) Wastewater enters a grit and sand removal tank.
उत्तर
The correct sequence of processes involved in a wastewater treatment plant is as follows:
(c) Large objects like plastic bags are removed by passing wastewater through bar screens,
(e) Wastewater enters a grit and sand removal tank.
(d) Sand, grit and pebbles are made to settle by decreasing the speed of incoming wastewater.
(b) Water is made to settle in a large tank with a slope in the middle.
(a) Sludge is scraped out and the skimmer removes the floating grease.
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संबंधित प्रश्न
Drains get blocked by ______ and ______.
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- Its proportion in air is about 3%.
Which of these statements are correct?
Which of the following is/are products of wastewater treatment?
State whether the following statement is True or False. In case a statement is false, write the correct statement.
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State whether the following statement is True or False. In case a statement is false, write the correct statement.
Wastewater could be reused.
What is sludge?
