What are flocs?
- AMasses of anaerobic bacteria
- BMasses of aerobic fungi only
- CMasses of anaerobic bacteria and fungi
- DMasses of aerobic bacteria associated with fungal filaments
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Whose $BOD$ (Biochemical Oxygen Demand) is greater?
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View SolutionSelect the correct statement from the following:
Given below are two statements about sewage. Based on them,select the correct option given below.
Statement $I$: The sediment in the settling tank is called floc.
Statement $II$: Sewage is first passed in the grit chamber,then it is screened.
Statement $I$: The sediment in the settling tank is called floc.
Statement $II$: Sewage is first passed in the grit chamber,then it is screened.
What is the process of treating wastewater by municipalities in cities called?
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