In slow sland filters, the turbidity of raw water can be removed only up to_________________?
Acidity in water is caused due to_______________?
Corrosion of well pipes may not be reduced by_________________?
The maximum depth of sedimentation tanks is limited to________________?
For determining the velocity of flow of underground water, the most commonly used non-empirical formula is________________?
The specific retention is least in case of_______________?
The factor affecting per capita demand, is___________________?
The assumption on which the trapezoidal formula for volumes is based, is________________?
The brick work is not measured in cu m in case of_______________?
While estimating the qualities for the construction of a building, the correct metric unit is________________?
