Q.

What is the tank volume of aeration for water flow of 50m3/h?

A. 40 m3
B. 50 m3
C. 80 m3
D. 100 m3
Answer» B. 50 m3
Explanation: the water is aerated for a period of no less than 60 minutes. the tank volume of aeration for water flow of 50m3/h is 50 m3.
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