Environmental Engineering in CE Presence of iron and manganese in water causes None of these Discoloration of bathroom fixtures Temporary hardness Reduction in its dissolved oxygen content None of these Discoloration of bathroom fixtures Temporary hardness Reduction in its dissolved oxygen content ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Stratosphere None of these Thermosphere Troposphere Stratosphere None of these Thermosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Oxidation Lagoon Skimming tank Imhoff tank Oxidation Lagoon Skimming tank Imhoff tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? Fixing into a solid mass with cement and sinking deep in the sea All of these Biological methods & adsorption in ion exchange materials Evaporation & chemical precipitation Fixing into a solid mass with cement and sinking deep in the sea All of these Biological methods & adsorption in ion exchange materials Evaporation & chemical precipitation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible turbidity in potable water is __________ ppm. 10 1000 250 1 10 1000 250 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? SO₂ Hydrocarbons CO H₂S SO₂ Hydrocarbons CO H₂S ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS