Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 400 100 200 20 400 100 200 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? All of these Sulphur dioxide Ozone Photochemical smog All of these Sulphur dioxide Ozone Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Wet scrubber Bag filter Electrostatic precipitators Dust catcher Wet scrubber Bag filter Electrostatic precipitators Dust catcher ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its Inlet gas velocity Overall height All of these Diameter Inlet gas velocity Overall height All of these Diameter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 9 to 10 15 to 20 1 to 2 4 to 5 9 to 10 15 to 20 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the Vegetation Forestation Rain Green house effect Vegetation Forestation Rain Green house effect ANSWER DOWNLOAD EXAMIANS APP
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