Water Supply Engineering While determining the yield of open wells by the pumping test Velocity of recharging water, increases with depression head Maximum safe yield of an open well, is expected at critical depression head Depression head resulting at critical velocity, is called critical depression head Working head is generally limited to ?rd of the critical depression head Velocity of recharging water, increases with depression head Maximum safe yield of an open well, is expected at critical depression head Depression head resulting at critical velocity, is called critical depression head Working head is generally limited to ?rd of the critical depression head ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The specific retention is least in case of Silt Coarse gravel. Clay Sand Silt Coarse gravel. Clay Sand ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The process of passing water through beds of granular materials, is called Sedimentation Screening Filtration None of these Sedimentation Screening Filtration None of these ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be 5 nil 10 15 5 nil 10 15 ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is 3.00 m 2.50 m 2.25 m 2 m 3.00 m 2.50 m 2.25 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering If the chosen diameter of a pipe, is less than the economical diameter Cost of pumping will be more than saving Head loss will be high Cost of pipe will be less All listed here Cost of pumping will be more than saving Head loss will be high Cost of pipe will be less All listed here ANSWER DOWNLOAD EXAMIANS APP
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