If the efficiencies of BOD removal of first-stage and second-stage trickling filters are each 65.0%, then what is the overall BOD removal efficiency of these filters ?« Back to Previous Page

A. 65% B. 77.25% C. 87.75% D. 92.6%
Posted by Civil Engineer
Asked on September 13, 2016 12:46 pm
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B. 77.25%

Posted by Civil Engineer
Answered on September 13, 2016 12:47 pm
▲
0
▼

B. 77.25%

Posted by Civil Engineer
Answered on September 13, 2016 12:47 pm
▲
0
▼

B. 77.25%

Posted by Civil Engineer
Answered on September 13, 2016 12:47 pm
▲
0
▼

B. 77.25%

Posted by Civil Engineer
Answered on September 13, 2016 12:47 pm
▲
0
▼

B. 77.25%

Posted by Civil Engineer
Answered on September 13, 2016 12:47 pm