McqMate
| Q. |
In the activated sludge process |
| A. | Aeration is continued till stability |
| B. | Aeration is done with an admixture of previously aerated sludge |
| C. | Sludge is activated by constant stirring |
| D. | Water is removed by centrifugal action |
| Answer» B. Aeration is done with an admixture of previously aerated sludge | |
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