SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Environmental Engineering Sewage Sewage Treatment
The principle of 'incoming sewage is not allowed to get mixed up with the sludge produced, and the outgoing effluent is not allowed to carry with it large amounts organic load' is found in:
1
sludge digestion tank
2
Imhoff tank
3
detention tank
4
septic tank