Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally Less and less More and less More and more Less and more Less and less More and less More and more Less and more ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank Only (i) (i) and (ii) Only (iii) (i) and (iii) Only (i) (i) and (ii) Only (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Equal to rainfall Rainfall + 2 DWF Rainfall + DWF Rainfall + 6 DWF Equal to rainfall Rainfall + 2 DWF Rainfall + DWF Rainfall + 6 DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Reduced at higher pH value of water Increased at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Increased at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product All of these Creates hygienic problem Is cheaper in initial cost than dry conservancy system Requires treatment before disposal All of these Creates hygienic problem Is cheaper in initial cost than dry conservancy system Requires treatment before disposal ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 4 to 6 8 to 10 6 to 8 2 to 4 4 to 6 8 to 10 6 to 8 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
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