Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Sodium permanganate Copper sulphate Lime Sulphuric acid Sodium permanganate Copper sulphate Lime Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve, which is provided on the suction pipe in a tube-well, is Air relief valve Pressure relief valve Reflux valve Sluice valve Air relief valve Pressure relief valve Reflux valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method for disinfection of swimming pool water is Chlorination Lime treatment Ultra violet rays treatment By using potassium permanganate Chlorination Lime treatment Ultra violet rays treatment By using potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The distribution mains are designed for Maximum daily demand Average daily demand Maximum hourly demand Maximum hourly demand on maximum day Maximum daily demand Average daily demand Maximum hourly demand Maximum hourly demand on maximum day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 2.7 1.8 2.0 1.5 2.7 1.8 2.0 1.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the separate sewer system shall be taken as 6 × DWF Equal to dry weather flow (DWF) 3 × DWF 2 × DWF 6 × DWF Equal to dry weather flow (DWF) 3 × DWF 2 × DWF ANSWER DOWNLOAD EXAMIANS APP
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