A sewer running partially full and hurried with back filled, fails in compression due to_________________?
Kjeldahl nitrogen is a mixture of___________________?
Nitrogen cycle of sewage, is____________________?
Stone ware pipes are_______________?
The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is____________________?
Drop manholes are the manholes___________________?
If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is____________________?
The sewers___________________?
In a fully mechanised composting plant, involves________________?
weight of water, the hydraulic mean depth of the sewer and the bed slope w is the unit of the sewer, then the tractive force exerted by flowing water, is________________________?