Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Odour nuisances Turbidity Foaming Undesirable plant growth Odour nuisances Turbidity Foaming Undesirable plant growth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the Ionosphere Troposphere None of these Stratosphere Ionosphere Troposphere None of these Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Cation exchanger Coagulation Irradiation of water by ultraviolet light Chlorine Cation exchanger Coagulation Irradiation of water by ultraviolet light Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Alkalis Phenol and cynide Suspended solids Chlorine Alkalis Phenol and cynide Suspended solids Chlorine 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)? Biological oxidation pond Lagooning Chemical coagulation Activated carbon adsorption Biological oxidation pond Lagooning Chemical coagulation Activated carbon adsorption ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Lime Ferrous sulphate Alum Hydrazine Lime Ferrous sulphate Alum Hydrazine ANSWER DOWNLOAD EXAMIANS APP
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