Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CH₄ N₂ CO CO₂ CH₄ N₂ CO CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 1500 230 20 750 1500 230 20 750 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Black Grey Dark brown Red Black Grey Dark brown Red ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 0.1 10 0.001 5 0.1 10 0.001 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Hydrogen fluoride & nitrogen oxides Smog & ozone Carbon monoxide Sulphur dioxide & spray of weed killers Hydrogen fluoride & nitrogen oxides Smog & ozone Carbon monoxide Sulphur dioxide & spray of weed killers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? SO₂ CO H₂S Hydrocarbons SO₂ CO H₂S Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
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