Environmental Engineering in CE Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? CO₂ SO₃ N₂ H₂ CO₂ SO₃ N₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from petroleum refineries is CO₂, NO & SO₃ CO₂, H₂S & NO₂ SO₃, NO₂ & CO₂ CO, SO₂ & H₂S CO₂, NO & SO₃ CO₂, H₂S & NO₂ SO₃, NO₂ & CO₂ CO, SO₂ & H₂S ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes Asphyxiation (suffocation) All of these Shortness of breath Tuberculosis Asphyxiation (suffocation) All of these Shortness of breath Tuberculosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Gritty & inorganic Dissolved solid Oil & fatty Suspended solid Gritty & inorganic Dissolved solid Oil & fatty Suspended solid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 1 0.01 0.1 0.3 1 0.01 0.1 0.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Photosynthetic action of algae Natural aeration of water stream Both A & B Neither A nor B Photosynthetic action of algae Natural aeration of water stream Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP