The efficiency of a percolating filter is given by ___________
A : a. 100/(1+0.0044 (?))
B : b. 100/(1+0.044 (?)½)
C : c. 100/(1+0.44 (?)½)
D : d. 100/(1+0.0044 (?)½)
The removal of BOD is independent of the loading conditions in infiltration process.
The organic loading in low rate trickling filter is 900 kg/hectare-meter/day. What is the efficiency of the filter?
The organic loading in a trickling filter is measured in ___________
A : a. m³/day
B : b. gm/m²/day
C : c. Kg/hectare-meter/day
D : d. Kg/hectare/day