Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Cancer Reduced crop yield Silicosis Respiratory disease (e.g., asthma) Cancer Reduced crop yield Silicosis Respiratory disease (e.g., asthma) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagooning process is mainly a means of the Sludge disposal None of these Biological treatment of wastes Reduction of excessive flow in sewers Sludge disposal None of these Biological treatment of wastes Reduction of excessive flow in sewers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? Photochemical smog Sulphur dioxide All of these Ozone Photochemical smog Sulphur dioxide All of these Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 7 20 3 1 7 20 3 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 250 100 5 500 250 100 5 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Coagulation Disinfection Filtration Sedimentation Coagulation Disinfection Filtration Sedimentation ANSWER DOWNLOAD EXAMIANS APP