Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 140 200 170 120 140 200 170 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being causes Shortness of breath Asphyxiation Tuberculosis Both B & C Shortness of breath Asphyxiation Tuberculosis Both B & C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in Food industry Municipal sewage treatment Iron & steel plant Petroleum refinery Food industry Municipal sewage treatment Iron & steel plant Petroleum refinery 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 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 Oxidation of carbonaceous matter to CO₂ All of these 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 Oxidation of carbonaceous matter to CO₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? NOx Hg SO₂ F NOx Hg SO₂ F ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Aluminium sulphate Chloramine Hydrated lime Ferrous sulphate Aluminium sulphate Chloramine Hydrated lime Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
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