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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