Water Supply Engineering Acidity in water is caused due to All the above. Free CO₂ Aluminium sulphate Mineral acids All the above. Free CO₂ Aluminium sulphate Mineral acids ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering For determining the velocity of flow of underground water, the most commonly used non-empirical formula is Slichter’s formula Lacy’s formula Hazen’s formula Darcy’s formula Slichter’s formula Lacy’s formula Hazen’s formula Darcy’s formula ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Corrosion of well pipes may not be reduced by reducing the draw down and the pumping rate reducing the flow velocity using thicker pipes using screens having larger area of openings reducing the draw down and the pumping rate reducing the flow velocity using thicker pipes using screens having larger area of openings ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Time of concentration is the time taken, for precipitation duration of rainfall. time taken for the storm water to travel from the most remote point to the drain. time taken for all the ran off to reach the drain is the time taken, for precipitation duration of rainfall. time taken for the storm water to travel from the most remote point to the drain. time taken for all the ran off to reach the drain ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Aeration of water is done to remove bacterias hardness odour colour bacterias hardness odour colour ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The least thickness of class B cast iron (spun) pipe, is 7.2 mm 8.6 mm 7.9 mm 10 mm 7.2 mm 8.6 mm 7.9 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP