1.

For rock type of roughing packing trickling filter what will be the hydraulic loading rate?

A. 40-200 m<sup>3</sup>/m<sup>2</sup>.d
B. 300 m<sup>3</sup>/m<sup>2</sup>.d
C. 500 m<sup>3</sup>/m<sup>2</sup>.d
D. 600 m<sup>3</sup>/m<sup>2</sup>.d
Answer» B. 300 m<sup>3</sup>/m<sup>2</sup>.d


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