Water Supply Engineering Time of concentration duration of rainfall. is the time taken, for precipitation 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 duration of rainfall. is the time taken, for precipitation 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 For determining the velocity of flow of underground water, the most commonly used non-empirical formula is Slichter’s formula Darcy’s formula Hazen’s formula Lacy’s formula Slichter’s formula Darcy’s formula Hazen’s formula Lacy’s formula ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Acidity in water is caused due to All the above. Aluminium sulphate Free CO₂ Mineral acids All the above. Aluminium sulphate Free CO₂ Mineral acids ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering In centrifugal pump installation, 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 Pump is properly primed before starting All listed here 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 Pump is properly primed before starting All listed here ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The least thickness of class B cast iron (spun) pipe, is 7.9 mm 7.2 mm 8.6 mm 10 mm 7.9 mm 7.2 mm 8.6 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The specific retention is least in case of Silt Sand Clay Coarse gravel. Silt Sand Clay Coarse gravel. ANSWER DOWNLOAD EXAMIANS APP