Computer · Environmental Engineering
What is the correct order of filter materials (Sand, Anthracite Coal, Garnet) to be arranged in a multi-media gravity filter from bottom to top?
- 1Garnet, Sand, Anthracite Coal✓
- 2Sand, Anthracite Coal, Garnet
- 3Anthracite Coal, Garnet, Sand
- 4Anthracite Coal, Sand, Garnet
Correct answer
Garnet, Sand, Anthracite Coal
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