Engine : General Subjects - 1693/1128
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| If a biological sewage treatment plant consists of three chambers, what is the sequential order of treatment chambers within the plant? |
| A) Sedimentation, disinfection, aeration |
| B) Disinfection, aeration, sedimentation |
| C) Aeration, sedimentation, disinfection |
| D) Sedimentation, aeration, disinfection |
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