Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 50 to 150 0 to 50 150 to 350 350 to 500 50 to 150 0 to 50 150 to 350 350 to 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is (i) Presumptive coli-form test (ii) Confirmed coli-form test (iii) Completed coli-form test Both (i) and (iii) Both (i) and (ii) Only (i) All (i), (ii) and (iii) Both (i) and (iii) Both (i) and (ii) Only (i) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank (i) and (ii) Only (i) Only (iii) (i) and (iii) (i) and (ii) Only (i) Only (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Removal of hardness Removal of turbidity Killing of disease bacteria Complete sterilisation Removal of hardness Removal of turbidity Killing of disease bacteria Complete sterilisation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to geometrical increase method of forecasting population, arithmetical increase method gives Higher value Lesser value Accurate value Same value Higher value Lesser value Accurate value Same value ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Grit chambers Sedimentation tanks Skimming tanks Detritus tanks Grit chambers Sedimentation tanks Skimming tanks Detritus tanks ANSWER DOWNLOAD EXAMIANS APP
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