Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Carbon monoxide Hydrogen sulphide Oxides of nitrogen Oxides of sulphur Carbon monoxide Hydrogen sulphide Oxides of nitrogen Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in Coagulation and flocculation of colloids All of these Oxidation of carbonaceous matter to CO₂ Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate Coagulation and flocculation of colloids All of these Oxidation of carbonaceous matter to CO₂ Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 650 1 25 150 650 1 25 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? All of these Photochemical smog Sulphur dioxide Ozone All of these Photochemical smog Sulphur dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? Mercury Aluminium Arsenic Lead Mercury Aluminium Arsenic Lead ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Bone decay Anemia Asphyxiation (suffocation) Cancer Bone decay Anemia Asphyxiation (suffocation) Cancer ANSWER DOWNLOAD EXAMIANS APP