Water Supply Engineering Average annual rainfall at any station is the average of annual rainfall over a period of 28 years 35 years 21 years 14 years 28 years 35 years 21 years 14 years ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The process of passing water through beds of granular materials, is called Filtration Sedimentation Screening None of these Filtration Sedimentation Screening None of these ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Aeration of water is done to remove hardness bacterias odour colour hardness bacterias odour colour ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The least thickness of class B cast iron (spun) pipe, is 8.6 mm 7.2 mm 10 mm 7.9 mm 8.6 mm 7.2 mm 10 mm 7.9 mm ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering In distribution pipes, drain valves are provided at higher point lower point any where junction points higher point lower point any where junction points ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering While determining the yield of open wells by the pumping test Velocity of recharging water, increases with 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 Maximum safe yield of an open well, is expected at critical depression head Velocity of recharging water, increases with 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 Maximum safe yield of an open well, is expected at critical depression head ANSWER DOWNLOAD EXAMIANS APP
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