Environmental Engineering in CE Higher concentration of nitrogen dioxide in atmospheric air causes Corrosion Cancer Asphyxiation Bronchitis Corrosion Cancer Asphyxiation Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by Quenching of hot coke Discharging in the river stream None of these Filtration and recycling for cooling coke oven gas Quenching of hot coke Discharging in the river stream None of these Filtration and recycling for cooling coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by None of these Adsorption in ion exchange materials Biological oxygen treatment Coagulation and filtration None of these Adsorption in ion exchange materials Biological oxygen treatment Coagulation and filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water. Vapor pressure Dissolved oxygen content All of these Biological oxygen demand Vapor pressure Dissolved oxygen content All of these Biological oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 0.01 1 0.1 4 0.01 1 0.1 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of N₂ in contaminated air at which it acts as a natural asphyxant is ≥ __________ percent. 80 92 88 84 80 92 88 84 ANSWER DOWNLOAD EXAMIANS APP
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