A well oxidized sewage contains nitrogen mainly as___________________?
If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is_________________?
Self-cleansing velocity is__________________?
15 cumecs, the depth d and width are related by For drains up to___________________?
Cement concrete sewers are only suitable if non-scouring velocity is between_________________?
Primary treatment of sewage consists of removal of__________________?
The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope_________________?
Which one of the following part of human body withstands minimum radiation ?
The intensity of rain is expressed in________________?
Inter-distance between ventilation columns in a sewer line is kept__________________?
