engineering recuitment BMC Sub Engineer Mock Test 2024 Environmental Engineering Sewage Sewage Treatment
Which of the following is a group, including only aerobic treatment units for sewage treatment?
1
Trickling filter, Oxidation pond, Activated sludge plant.
2
Septic tank, Imhoff tank, Sludge digestion tank.
3
Trickling filter, Septic tank, Oxidation pond.
4
Trickling filter, Oxidation pond, Imhoff tank.
5
None of the above