SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Environmental Engineering Sewage Sewage Treatment
Select the correct option with regard to wastewater treatment.
1. Stabilisation ponds are open flow-through earthen basins designed to treat sewage and provide long detention periods up to 36 hours.
2. Septic tanks are primary sedimentation tanks to treat sewage with a longer detention period of several days.
1
Statement 1 is correct, and statement 2 is incorrect.
2
Statement 1 is incorrect, and statement 2 is correct.
3
Both statements are correct.
4
Both statements are incorrect.