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)? Lagooning Chemical coagulation Biological oxidation pond Activated carbon adsorption Lagooning Chemical coagulation Biological oxidation pond Activated carbon adsorption ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? SO₃ H₂ N₂ CO₂ SO₃ H₂ N₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of All of these Ultraviolet light for irradiation of water Chlorine or its compounds Ozone and iodine All of these Ultraviolet light for irradiation of water Chlorine or its compounds Ozone and iodine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being causes Both B & C Asphyxiation Tuberculosis Shortness of breath Both B & C Asphyxiation Tuberculosis Shortness of breath ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Deaeration of high pressure boiler feed water is done to reduce Its silica content Caustic embrittlement Its dissolved oxygen content Foaming from boilers Its silica content Caustic embrittlement Its dissolved oxygen content Foaming from boilers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Smoke Aerosols Fumes Mists Smoke Aerosols Fumes Mists ANSWER DOWNLOAD EXAMIANS APP
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