Environmental Engineering in CE Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? Biological oxidation pond Activated carbon adsorption Chemical coagulation Lagooning Biological oxidation pond Activated carbon adsorption Chemical coagulation Lagooning ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing None of these Foodstuffs Woolen clothes Metallic powder None of these Foodstuffs Woolen clothes Metallic powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Silica Dissolved oxygen Phenol Turbidity Silica Dissolved oxygen Phenol Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 10000 5 500 1000 10000 5 500 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ethanolamine is an absorbant used for the removal of __________ from air/gas. H₂S Both B & C HF SO₂ H₂S Both B & C HF SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 0.3 0.01 1 0.1 0.3 0.01 1 0.1 ANSWER DOWNLOAD EXAMIANS APP