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 devices which are installed for drawing water from the sources are called Aquifers Aquiclude Intakes Filters Aquifers Aquiclude Intakes Filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from None of these Dissolved impurities Suspended impurities Both suspended and dissolved impurities None of these Dissolved impurities Suspended impurities Both suspended and dissolved impurities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in 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 Presence as well as in absence of oxygen Presence of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 4 ppm 1 ppm 10 ppm 40 ppm 4 ppm 1 ppm 10 ppm 40 ppm 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
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