The spacing of bars of perforations of fine screens used for the treatment of sewage, is« Back to Previous Page

A. 2 to 3 mm B. 3 to 5 mm C. 5 to 8 mm D. 8 to 10 mm.
Posted by Civil Engineer
Asked on August 17, 2016 1:12 pm
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A. 2 to 3 mm

Posted by Civil Engineer
Answered on August 17, 2016 1:13 pm