Environmental Engineering Facultative bacteria are able to work in Presence of oxygen only Absence of oxygen only Presence as well as in absence of oxygen Presence of water Presence of oxygen only Absence of oxygen only Presence as well as in absence of oxygen Presence of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sludge volume index is defined as the ratio of Percentage of total solids by weight to percentage of sludge by volume 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 sludge by volume to percentage of total solids by weight Percentage of total solids by weight to percentage of sludge by volume 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 sludge by volume to percentage of total solids by weight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A sewer that receives the discharge of a number of house sewers is called Sub-main sewer House sewer Lateral sewer Intercepting sewer Sub-main sewer House sewer Lateral sewer Intercepting sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Copper sulphate Lime Sodium permanganate Sulphuric acid Copper sulphate Lime Sodium permanganate Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Settling velocity increases with Temperature of liquid Specific gravity of solid particles Size of particles Depth of tank Temperature of liquid Specific gravity of solid particles Size of particles Depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 0 to 50 350 to 500 50 to 150 150 to 350 0 to 50 350 to 500 50 to 150 150 to 350 ANSWER DOWNLOAD EXAMIANS APP