Environmental Engineering in CE Ethanolamine is an absorbant used for the removal of __________ from air/gas. HF H₂S SO₂ Both B & C HF H₂S SO₂ Both B & C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 2 to 3 02 to 0.3 5 to 10 0.001 to 0.01 2 to 3 02 to 0.3 5 to 10 0.001 to 0.01 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a secondary air pollutant? Sulphur dioxide Nitrogen dioxide Dust particles Photochemical smog Sulphur dioxide Nitrogen dioxide Dust particles Photochemical smog 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 permissible color for domestic water supply is __________ ppm. 1000 20 1 100 1000 20 1 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Using the activities of bacteria and other micro organisms Both A & B Neither A nor B Aerobic oxidation Using the activities of bacteria and other micro organisms Both A & B Neither A nor B Aerobic oxidation ANSWER DOWNLOAD EXAMIANS APP
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