Environmental Engineering Disinfection efficiency is Increased at higher pH value of water Highest at pH value equal to 7 Unaffected by pH value of water Reduced at higher pH value of water Increased at higher pH value of water Highest at pH value equal to 7 Unaffected by pH value of water Reduced at higher pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sludge volume index is defined as the ratio of Percentage of sludge by volume to percentage of total solids by weight Percentage of total solids by weight to percentage of sludge by volume Percentage of suspended solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight Percentage of sludge by volume to percentage of total solids by weight Percentage of total solids by weight to percentage of sludge by volume Percentage of suspended solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of suspended solids by weight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most commonly used sewer under culverts is Semi-elliptical sewer Circular cast iron sewer Horseshoe type sewer Circular brick sewer Semi-elliptical sewer Circular cast iron sewer Horseshoe type sewer Circular brick sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be Partially separate system Combined system Partially combined system Separate system Partially separate system Combined system Partially combined system Separate system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The depression of water table in a well due to pumping will be maximum(Where ‘R’ is the radius of influence) At a distance R from the well Close to the well None of these At a distance R/2 from the well At a distance R from the well Close to the well None of these At a distance R/2 from the well 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
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