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| Q. |
The pulsator clarifier is a type of |
| A. | horizontal flow sludge tank |
| B. | vertical flow sludge tank |
| C. | circular sludge tank |
| D. | plain sedimentation tank |
| Answer» B. vertical flow sludge tank | |
| Explanation: the pulsator clarifier is a vertical flow sludge tank in which pulse is generated at interval of 30sec to give rapid flow for 5-10sec resulting in the alternative rising up of the sludge blanket. | |
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