Environmental Engineering The pathogens can be killed by Chlorination Oxidation Nitrification None of these Chlorination Oxidation Nitrification None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 150 to 350 350 to 500 50 to 150 0 to 50 150 to 350 350 to 500 50 to 150 0 to 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Complete sterilisation Removal of turbidity Removal of hardness Killing of disease bacteria Complete sterilisation Removal of turbidity Removal of hardness Killing of disease bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Trickling filters Oxidation ditch Oxidation pond Aerated lagoons Trickling filters Oxidation ditch Oxidation pond Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Sulphur dioxide Bleaching powder Chloramines Carbon dioxide Sulphur dioxide Bleaching powder Chloramines Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Sodium chloride Copper sulphate Calcium chloride Sodium sulphate Sodium chloride Copper sulphate Calcium chloride Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP