Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 700 ppm 50 ppm 100 ppm 300 ppm 700 ppm 50 ppm 100 ppm 300 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of nitrogen dioxide in atmospheric air causes Bronchitis Corrosion Asphyxiation Cancer Bronchitis Corrosion Asphyxiation Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Nitrogen oxides (NOx) is not produced in the __________ industry. Nitrogenous fertiliser Nitric acid making Any of these Detergent Nitrogenous fertiliser Nitric acid making Any of these Detergent ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 200 400 20 100 200 400 20 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels. 140 75 120 95 140 75 120 95 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following plants does not emit appreciable amount of SO₂ in atmosphere? Thermal power plant Nitric acid plant Sulphuric acid plant Petroleum refinery Thermal power plant Nitric acid plant Sulphuric acid plant Petroleum refinery ANSWER DOWNLOAD EXAMIANS APP