Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Environmental Engineering Disposing of Sewage Effluents
Which of the following help to prevent water pollution due to land-disposal of waste?
1. Proper consolidation of waste to reduce pore space and permeability
2. Disposal over impervious strata
3. Layer of impervious sol on the top and the sides of the deposited solid waste1
1 and 2 only
2
1 and 3 only
3
1, 2 and 3
4
2 and 3 only