Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Sedimentation Both B and C Digestion Filtration Sedimentation Both B and C Digestion Filtration 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? N₂ SO₃ CO₂ H₂ N₂ SO₃ CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace. Pulverised coal as fuel Low amount of excess combustion air Hydrocarbon fuel Large quantity of excess combustion air Pulverised coal as fuel Low amount of excess combustion air Hydrocarbon fuel Large quantity of excess combustion air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Weed control in reservoirs Removal of permanent hardness Taste & odour control Disinfection Weed control in reservoirs Removal of permanent hardness Taste & odour control Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pollution by particulate matter emission in the atmosphere does not take place during metal Cutting Grinding Machining Polishing Cutting Grinding Machining Polishing 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 Petroleum refinery Iron & steel plant Food industry Municipal sewage treatment Petroleum refinery Iron & steel plant Food industry Municipal sewage treatment ANSWER DOWNLOAD EXAMIANS APP
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