Environmental Engineering Chlorine demand of water is equal to Applied chlorine Difference of applied and residual chlorine Residual chlorine Sum of applied and residual chlorine Applied chlorine Difference of applied and residual chlorine Residual chlorine Sum of applied and residual chlorine ANSWER DOWNLOAD EXAMIANS APP
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 type of valve, which is provided on the suction pipe in a tube-well, is Reflux valve Air relief valve Pressure relief valve Sluice valve Reflux valve Air relief valve Pressure relief valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally More and less More and more Less and less Less and more More and less More and more Less and less Less and more ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Oxidation Dehydration Alkalinization Reduction Oxidation Dehydration Alkalinization Reduction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 0.25 to 0.35 mm 0.60 to 1.00 mm 1.00 to 1.80 mm 0.35 to 0.60 mm 0.25 to 0.35 mm 0.60 to 1.00 mm 1.00 to 1.80 mm 0.35 to 0.60 mm ANSWER DOWNLOAD EXAMIANS APP
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