Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally More and more Less and less Less and more More and less More and more Less and less Less and more More and less ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Reduced at higher pH value of water Increased at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Increased at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Sodium permanganate Lime Sulphuric acid Copper sulphate Sodium permanganate Lime Sulphuric acid Copper sulphate 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 Depth of tank None of these Surface area of tank Both depth and surface area of tank Depth of tank None of these Surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by BOD > COD > TOD COD > BOD > TOD TOD > COD > BOD TOD > BOD > COD BOD > COD > TOD COD > BOD > TOD TOD > COD > BOD TOD > BOD > COD ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If Biochemical oxygen demand (BOD) of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is 1000 4,00,000 4000 1,00,000 1000 4,00,000 4000 1,00,000 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS