Environmental Engineering in CE Which of the following is not a natural source of air pollution? Photochemical oxidation of organic matter Biological decay of vegetable matter None of these Volcanic eruptions and lightening discharges Photochemical oxidation of organic matter Biological decay of vegetable matter None of these Volcanic eruptions and lightening discharges ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Iron Iodine Bromine Zinc Iron Iodine Bromine Zinc ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for Conversion of NOx into N₂ and NH₃ in the first compartment All of these Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of CO into CO₂ in the second compartment Conversion of NOx into N₂ and NH₃ in the first compartment All of these Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of CO into CO₂ in the second compartment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Hardness Dissolved gases Color Turbidity Hardness Dissolved gases Color Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Alum Hydrazine Lime Ferrous sulphate Alum Hydrazine Lime Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Reduced crop yield Cancer Silicosis Respiratory disease (e.g., asthma) Reduced crop yield Cancer Silicosis Respiratory disease (e.g., asthma) ANSWER DOWNLOAD EXAMIANS APP