Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 1097 17 357 0.5 1097 17 357 0.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a weightless pollutant? SPM Thermal pollution Noise pollution Radioactive rays SPM Thermal pollution Noise pollution Radioactive rays ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Saphrophytic Parasitic Aerobic Anaerobic Saphrophytic Parasitic Aerobic Anaerobic 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 Activated carbon adsorption Chemical coagulation Biological oxidation pond Lagooning Activated carbon adsorption Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. Ozone Carbon dioxide None of these Hydrogen Ozone Carbon dioxide None of these Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because Of clotting of blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen It forms CO₂ by combining with oxygen present in the blood Of jamming of respiratory tract Of clotting of blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen It forms CO₂ by combining with oxygen present in the blood Of jamming of respiratory tract ANSWER DOWNLOAD EXAMIANS APP