Laying of sewers is usually done with the help of________________?
Sewerage system is designed for_______________?
The working conditions in imhoff tanks are_______________?
The detention period for oxidation ponds is usually kept as______________?
The main disadvantage of oxidation pond is that________________?
Sludge volume index is defined as the ratio of_______________?
The pipe which is used to carry the discharge from sanitary fittings like bath rooms, kitchens etc. is called_______________?
Most of the bacteria in sewage are______________?
A pipe which is installed in the house drainage to preserve the water seal of traps is called______________?
The process of lagooning is primarily a means of________________?
