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
Environmental Engineering in CE Which of the following is a secondary air pollutant? Dust particles Nitrogen dioxide Photochemical smog Sulphur dioxide Dust particles Nitrogen dioxide Photochemical smog Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following fine dust removal equipments is the most efficient? Bag filter Cyclone separator Scrubber Electrostatic precipitator Bag filter Cyclone separator Scrubber Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Colloids or aerosols Dust Smoke Powder Colloids or aerosols Dust Smoke Powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in Oxidation of carbonaceous matter to CO₂ All of these Coagulation and flocculation of colloids Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate Oxidation of carbonaceous matter to CO₂ All of these Coagulation and flocculation of colloids Nitrification or oxidation of ammonia derived from breakdown of nitrogeneous organic matter to the nitrite and eventually to the nitrate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of Liquid fuel in the furnace Low excess air Very high excess air Gaseous fuel in the furnace Liquid fuel in the furnace Low excess air Very high excess air Gaseous fuel in the furnace ANSWER DOWNLOAD EXAMIANS APP
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