Environmental Engineering in CE Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in Food industry Petroleum refinery Iron & steel plant Municipal sewage treatment Food industry Petroleum refinery Iron & steel plant Municipal sewage treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 500 1000 5 2000 500 1000 5 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 80 10 20 40 80 10 20 40 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Methane All of these Chlorofluro carbons (CFC) Nitrous oxide Methane All of these Chlorofluro carbons (CFC) Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a manmade source of air pollution? All of these Automobile exhaust Bacterial action in soil and swamp areas Forest fire All of these Automobile exhaust Bacterial action in soil and swamp areas Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Green house effect Global warming Catalytic conversion Both B and C Green house effect Global warming Catalytic conversion Both B and C ANSWER DOWNLOAD EXAMIANS APP
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