Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 20 10 40 80 20 10 40 80 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a manmade source of air pollution? Bacterial action in soil and swamp areas Automobile exhaust Forest fire All of these Bacterial action in soil and swamp areas Automobile exhaust Forest fire All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? Hydrocarbons SO₂ CO NOx Hydrocarbons SO₂ CO NOx ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water. Dissolved oxygen content Vapor pressure All of these Biological oxygen demand Dissolved oxygen content Vapor pressure All of these Biological oxygen demand 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 5 1000 2000 500 5 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is CO Hydrocarbons NO CO₂ CO Hydrocarbons NO CO₂ ANSWER DOWNLOAD EXAMIANS APP
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