Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? CO SO₂ Hydrocarbons H₂S CO SO₂ Hydrocarbons H₂S ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Lime soda process or manganese zeolite process Oxidation followed by settling & filtration Chlorination Ion exchange process Lime soda process or manganese zeolite process Oxidation followed by settling & filtration Chlorination Ion exchange process ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Nitrogen dioxide Hydrogen flouride Hydrocarbons Hydrogen sulphides Nitrogen dioxide Hydrogen flouride Hydrocarbons Hydrogen sulphides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from petroleum refineries is CO₂, NO & SO₃ CO₂, H₂S & NO₂ CO, SO₂ & H₂S SO₃, NO₂ & CO₂ CO₂, NO & SO₃ CO₂, H₂S & NO₂ CO, SO₂ & H₂S SO₃, NO₂ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Organic Fatty Dissolved Inorganic Organic Fatty Dissolved Inorganic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 150-300 2000-3000 1-2 5-10 150-300 2000-3000 1-2 5-10 ANSWER DOWNLOAD EXAMIANS APP