Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 5 500 1000 10000 5 500 1000 10000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to remove Bad taste Bacteria Color Foul odour Bad taste Bacteria Color Foul odour ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Catalytic conversion Green house effect Both B and C Global warming Catalytic conversion Green house effect Both B and C Global warming ANSWER DOWNLOAD EXAMIANS APP
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)? Activated carbon adsorption Lagooning Chemical coagulation Biological oxidation pond Activated carbon adsorption Lagooning Chemical coagulation Biological oxidation pond ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Coagulation Irradiation of water by ultraviolet light Chlorine Cation exchanger Coagulation Irradiation of water by ultraviolet light Chlorine Cation exchanger ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most efficient and suitable dust removal equipment for removal of flyash from flue gas in a thermal power plant is the Cyclone separator Electrostatic precipitator Bag filter Gravity settling chamber Cyclone separator Electrostatic precipitator Bag filter Gravity settling chamber ANSWER DOWNLOAD EXAMIANS APP
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