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Q. |
In an activated sludge process which type of pump is used to recirculate the sludge? |
A. | booster pump |
B. | centrifugal pump |
C. | vane pump |
D. | vertical turbine pump |
Answer» B. centrifugal pump | |
Explanation: the activated sludge does not contain any solids. also, it is not very viscous. hence a centrifugal pump can be used for this application. |
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