In sewers the gas generally found, is_________________?
If the depth of partial flow in a sewer of diameter 2 m, is 50 cm, its wetted perimeter is____________________ ?
Rate of flow of sewage is generally assumed__________________?
In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept________________?
In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is_________________?
hydraulically equivalent, the relationship which holds good, is _______________?
Sewer manholes are generally provided at________________?
Aerobic activity is maximum_______________?
Before discharging the foul sewage into rivers, it is generally treated by_____________________?
In 1000 kg of sewage, the total solids approximate___________________?