Wastewater Story
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Question 1 of 3
1. Question
Which of the following is/are true for cleaning water?
1. It is a process of removing pollutants after it enters a water body or is reused.
2. It is called sewage treatment.CorrectIncorrect -
Question 2 of 3
2. Question
Which of the following is/are true for sewage?
1. Sewage is a complex mixture containing suspended solids.
2. Nitrates and phosphorus are nutrients.CorrectIncorrect -
Question 3 of 3
3. Question
Which of the following order is correct for water treatment plant?
1. Wastewater is passed through bar screens.
2. The water is then allowed to settle in a large tank which is sloped towards the
middle.
3. Water then goes to a grit and sand removal tank.
4. Air is pumped into the clarified water to help aerobic to grow.CorrectIncorrect