Hume steel pipes are__________________?
The detention period for plain sedimentation water tanks, is usually____________________?
If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is_________________?
Skimming tanks are__________________?
The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning’s formula, is given by______________________?
The grit chambers of sewage treatment plants, are generally cleaned after__________________?
In trickling filter, B.O.D. is reduced to___________________?
In normal conditions, the period for sludge digestion, is_______________?
are available in size Stoneware sewers________________?
In a sludge tank, the gas mainly produced, is_________________?
