Environmental Engineering in CE Pick out the wrong statement pertaining to 'green house' for the plants. ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 90-120 5-10 1500-2500 1-2 90-120 5-10 1500-2500 1-2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Files Micro-organisms Mosquitoes Algae Files Micro-organisms Mosquitoes Algae ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a natural source of air pollution? Volcanic eruptions and lightening discharges Photochemical oxidation of organic matter None of these Biological decay of vegetable matter Volcanic eruptions and lightening discharges Photochemical oxidation of organic matter None of these Biological decay of vegetable matter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Salts of metals Carbohydrates Fats Protein Salts of metals Carbohydrates Fats Protein ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 20 3 7 1 20 3 7 1 ANSWER DOWNLOAD EXAMIANS APP