Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Hydrogen flouride Hydrogen sulphides Nitrogen dioxide Hydrocarbons Hydrogen flouride Hydrogen sulphides Nitrogen dioxide Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ethanolamine is an absorbant used for the removal of __________ from air/gas. SO₂ HF H₂S Both B & C SO₂ HF H₂S Both B & C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from iron & steel industry is CO₂, H₂S & NO₂ CO, CO₂ & SO₂ SO₃, NO₂ & CO₂ H₂S, NO & SO₃ CO₂, H₂S & NO₂ CO, CO₂ & SO₂ SO₃, NO₂ & CO₂ H₂S, NO & SO₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Color Turbidity Hardness Dissolved gases Color Turbidity Hardness Dissolved gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ results from the disinfection of water. Bacteria Hardness Odour Turbidity Bacteria Hardness Odour Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). 25-30 43961 43832 15-20 25-30 43961 43832 15-20 ANSWER DOWNLOAD EXAMIANS APP