Environmental Engineering Sludge volume index is defined as the ratio of Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of total solids by weight Percentage of sludge by volume to percentage of suspended solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of total solids by weight Percentage of sludge by volume to percentage of suspended solids by weight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Dissolved organic substances Bacteria and colloidal solids Floating solids and dissolved inorganic solids Dissolved solids and dissolved gases Dissolved organic substances Bacteria and colloidal solids Floating solids and dissolved inorganic solids Dissolved solids and dissolved gases 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 All (i), (ii) and (iii) 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) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Presence as well as in absence of oxygen Presence of water Absence of oxygen only Presence of oxygen only Presence as well as in absence of oxygen Presence of water Absence of oxygen only Presence of oxygen only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Most suitable section of sewer in separate sewage system is Modified egg shaped section Standard form of egg shaped sewer Rectangular section Circular section Modified egg shaped section Standard form of egg shaped sewer Rectangular section Circular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on Both depth and surface area of tank Surface area of tank None of these Depth of tank Both depth and surface area of tank Surface area of tank None of these Depth of tank ANSWER DOWNLOAD EXAMIANS APP
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