Environmental Engineering The effective size of sand particles used in slow sand filters is 0.25 to 0.35 mm 1.00 to 1.80 mm 0.60 to 1.00 mm 0.35 to 0.60 mm 0.25 to 0.35 mm 1.00 to 1.80 mm 0.60 to 1.00 mm 0.35 to 0.60 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The ratio of 5 day BOD to ultimate BOD is about 43894 1 43833 43864 43894 1 43833 43864 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Mud ball formation Higher turbidity in the effluent Excessive negative head Low temperature Mud ball formation Higher turbidity in the effluent Excessive negative head Low temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Calcium chloride Sodium chloride Sodium sulphate Copper sulphate Calcium chloride Sodium chloride Sodium sulphate Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is None of these Equal to HMD when flowing full Less than HMD when flowing full Greater than HMD when flowing full None of these Equal to HMD when flowing full Less than HMD when flowing full Greater than HMD when flowing full ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of a distribution system for irregularly growing town is Grid iron system Radial system Ring system Dead end system Grid iron system Radial system Ring system Dead end system ANSWER DOWNLOAD EXAMIANS APP
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