SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Environmental Engineering Water Treatment Filtration
The correct order of filter materials (Sand, Anthracite Coal, Garnet) to be provided in a multi-media gravity filter from Bottom to top is:
1
Garnet, Sand, Anthracite Coal
2
Sand, Anthracite Coal, Garnet
3
Anthracite Coal, Garnet, Sand
4
Anthracite Coal, Sand, Garnet