engineering recuitment BPSC Assistant Sanitary & Waste Management Officer Mock Test 2022 Environmental Engineering Water Treatment
A sewage treatment plant mainly consists of
1. Screening
2. Grit removal
3. Secondary sedimentation
4. Aeration
5. primary sedimentation
The correct sequence of operations is
1
1 - 2 - 3 - 4 - 5
2
1 - 2 - 5 - 4 - 3
3
2 - 1 - 4 - 5 - 3
4
2 - 1 - 4 - 3 - 5