1.

The minimum hydraulic loading of percolating filter is

A. 1 m<sup>3</sup>/m<sup>2</sup>/day
B. 2 m<sup>3</sup>/m<sup>2</sup>/day
C. 3 m<sup>3</sup>/m<sup>2</sup>/day
D. 4 m<sup>3</sup>/m<sup>2</sup>/day
Answer» B. 2 m<sup>3</sup>/m<sup>2</sup>/day


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