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 1,00,000 4,00,000 4000 1000 1,00,000 4,00,000 4000 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The devices which are installed for drawing water from the sources are called Aquiclude Intakes Filters Aquifers Aquiclude Intakes Filters Aquifers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Bleaching powder Carbon dioxide Chloramines Sulphur dioxide Bleaching powder Carbon dioxide Chloramines Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Detritus tanks Skimming tanks Sedimentation tanks Grit chambers Detritus tanks Skimming tanks Sedimentation tanks Grit chambers 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 1 Infinite Zero 100 1 Infinite Zero 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process of lagooning is primarily a means of 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 Increasing flow of sewage through imhoff tanks Disposing of sludge ANSWER DOWNLOAD EXAMIANS APP