Water Supply Engineering Acidity in water is caused due to Free CO₂ All the above. Mineral acids Aluminium sulphate Free CO₂ All the above. Mineral acids Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Corrosion of well pipes may not be reduced by reducing the draw down and the pumping rate using thicker pipes using screens having larger area of openings reducing the flow velocity reducing the draw down and the pumping rate using thicker pipes using screens having larger area of openings reducing the flow velocity ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering In slow sland filters, the turbidity of raw water can be removed only up to 75 mg/litre 100 gm/litre 60 mg/litre 150 mg/litre 75 mg/litre 100 gm/litre 60 mg/litre 150 mg/litre 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 Hazen’s formula Lacy’s formula Darcy’s formula Slichter’s formula Hazen’s formula Lacy’s formula Darcy’s formula ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering In centrifugal pump installation, All listed here Pump is properly primed before starting The motor may burn out if it is started with empty delivery pipe and with open gate valve The diameter of the pipe at inlet as well as at outlet, is kept smaller than the delivery pipe All listed here Pump is properly primed before starting The motor may burn out if it is started with empty delivery pipe and with open gate valve The diameter of the pipe at inlet as well as at outlet, is kept smaller than the delivery pipe ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Time of concentration duration of rainfall. time taken for all the ran off to reach the drain is the time taken, for precipitation time taken for the storm water to travel from the most remote point to the drain. duration of rainfall. time taken for all the ran off to reach the drain is the time taken, for precipitation time taken for the storm water to travel from the most remote point to the drain. ANSWER DOWNLOAD EXAMIANS APP