Environmental Engineering The maximum efficiency of BOD removal is achieved in Aerated lagoons Oxidation ditch Oxidation pond Trickling filters Aerated lagoons Oxidation ditch Oxidation pond Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as Pre-chlorination De-chlorination Hypo-chlorination Super chlorination Pre-chlorination De-chlorination Hypo-chlorination Super chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Alkalinization Reduction Oxidation Dehydration Alkalinization Reduction Oxidation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is usually designed for 26 years 27 years 28 years 25 years 26 years 27 years 28 years 25 years 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 100 Infinite 1 Zero 100 Infinite 1 Zero ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process of lagooning is primarily a means of Increasing flow of sewage through imhoff tanks Disposing of sludge Increasing the capacity of storage reservoirs Reducing the excessive flow in sewers Increasing flow of sewage through imhoff tanks Disposing of sludge Increasing the capacity of storage reservoirs Reducing the excessive flow in sewers ANSWER DOWNLOAD EXAMIANS APP