Environmental Engineering in CE Presence of excess flourine in water causes Dental cavity Respiratory disease Fluorosis Tooth decay Dental cavity Respiratory disease Fluorosis Tooth decay ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Direct reaction of unsaturated hydrocarbons with either NO or NO₂ produces an eye irritating pollutant compound known as Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene Photochemical smog Poly acrylonitrile Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene Photochemical smog Poly acrylonitrile 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 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 Coagulation and flocculation of colloids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Asbestos Hydrogen sulphide Mercury Cadmium Asbestos Hydrogen sulphide Mercury Cadmium ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Acidity Iron & zinc Alkalinity Hardness Acidity Iron & zinc Alkalinity Hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 0.1 to 1 15 to 20 10 to 15 3 to 6 0.1 to 1 15 to 20 10 to 15 3 to 6 ANSWER DOWNLOAD EXAMIANS APP