Environmental Engineering Sewerage system is usually designed for 28 years 26 years 27 years 25 years 28 years 26 years 27 years 25 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Residual chlorine in water is determined by Both (A) and (B) None of these Orthotolidine method Starch iodide method Both (A) and (B) None of these Orthotolidine method Starch iodide method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Cleaning is done by (i) Scraping and removal in filters slow sand (ii) Back washing in slow sand filters (iii) Scraping and removal in filters rapid sand (iv) Back washing in rapid sand filters The correct answer is (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Increasing the surface area of tank Decreasing the depth of tank Decreasing the surface area of tank Increasing the depth of tank Increasing the surface area of tank Decreasing the depth of tank Decreasing the surface area of tank Increasing the depth of tank 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 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 Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Hardy cross method of analysis of distribution system (i) Involves successive trials (ii) Takes economic aspects into account (iii) Is time consuming Only (i) (i) and (ii) (i) and (iii) All are correct Only (i) (i) and (ii) (i) and (iii) All are correct ANSWER DOWNLOAD EXAMIANS APP