engineering recuitment FCI JE 2022 Mock Test for CE/ME/EE (Phase I & II) 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
5
None of these