Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Grit chambers Skimming tanks Detritus tanks Sedimentation tanks Grit chambers Skimming tanks Detritus tanks Sedimentation tanks ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 2 DWF Equal to rainfall Rainfall + DWF Rainfall + 6 DWF Rainfall + 2 DWF Equal to rainfall Rainfall + DWF Rainfall + 6 DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is Nil To decrease it To increase it Fluctuating Nil To decrease it To increase it Fluctuating ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Equal to 1 Slightly greater than 1 Much greater than 1 Slightly less than 1 Equal to 1 Slightly greater than 1 Much greater than 1 Slightly less than 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? Higher temperature Sunlight None of these Satisfying oxygen demand Higher temperature Sunlight None of these Satisfying oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 8 to 10 6 to 8 4 to 6 2 to 4 8 to 10 6 to 8 4 to 6 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
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