Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Files Algae Mosquitoes Micro-organisms Files Algae Mosquitoes Micro-organisms ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a natural source of air pollution? Biological decay of vegetable matter Volcanic eruptions and lightening discharges None of these Photochemical oxidation of organic matter Biological decay of vegetable matter Volcanic eruptions and lightening discharges None of these Photochemical oxidation of organic matter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? Alkalis Chlorine Alkyl benzene sulphonate (ABS) Benzene hexachloride Alkalis Chlorine Alkyl benzene sulphonate (ABS) Benzene hexachloride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is not formed due to the presence of __________ in the atmosphere. SO₂ CO₂ Any of these NOx SO₂ CO₂ Any of these NOx ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Turbidity Phenol Silica Dissolved oxygen Turbidity Phenol Silica Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the wrong statement pertaining to 'green house' for the plants. ANSWER DOWNLOAD EXAMIANS APP