In sewage having fully oxidised organic matter, the nitrogen exists in the form of________________?
Clogging of sewers, is caused due to_______________?
The sewer pipe which carries sewage from a building for immediate disposal is______________?
If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is___________________?
The following is the physical characteristic of sewage___________________?
Fresh sewage is generally_____________________?
It is customary to design a sewer for D.W.F. on the basis of________________?
For detecting the nitrites in the sewage, the matching colour may be developed by adding_________________?
The laying of sewers is done with____________________?
The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is______________________?
