Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Lime Sodium permanganate Copper sulphate Sulphuric acid Lime Sodium permanganate Copper sulphate Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is Zero Infinite 100 1 Zero Infinite 100 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system? Electrical analysis method Equivalent pipe method Circle method Hardy cross method Electrical analysis method Equivalent pipe method Circle method Hardy cross method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on None of these Surface area of tank Depth of tank Both depth and surface area of tank None of these Surface area of tank Depth of tank Both depth and surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The ratio of 5 day BOD to ultimate BOD is about 43833 1 43864 43894 43833 1 43864 43894 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Trickling filters Oxidation ditch Aerated lagoons Oxidation pond Trickling filters Oxidation ditch Aerated lagoons Oxidation pond ANSWER DOWNLOAD EXAMIANS APP