Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 1 5 25 0.1 1 5 25 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of potable water should be between 4 to 5 1 to 1.5 13 to 14 6.5 to 8 4 to 5 1 to 1.5 13 to 14 6.5 to 8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. Increase the dew point of Reduce SO₂ content in Catalytically convert SO₂ to SO₃ in None of these Increase the dew point of Reduce SO₂ content in Catalytically convert SO₂ to SO₃ in None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Red Dark brown Grey Black Red Dark brown Grey Black ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries? Natural organic products Radioactive substances None of these Inorganic pollutants Natural organic products Radioactive substances None of these Inorganic pollutants ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following plants does not emit appreciable amount of SO₂ in atmosphere? Nitric acid plant Sulphuric acid plant Thermal power plant Petroleum refinery Nitric acid plant Sulphuric acid plant Thermal power plant Petroleum refinery ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS