Environmental Engineering in CE The pH value of potable water should be between 1 to 1.5 13 to 14 4 to 5 6.5 to 8 1 to 1.5 13 to 14 4 to 5 6.5 to 8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants, if present in atmosphere is detectable by its odour? NO₂ SO₂ CO₂ CO NO₂ SO₂ CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes Nervous depression All of these Paralysis of muscles & loss of appetite Gastritis & diarrhea Nervous depression All of these Paralysis of muscles & loss of appetite Gastritis & diarrhea ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Composting Incineration Biological oxidation None of these Composting Incineration Biological oxidation None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Idle running Deaccelaration Acceleration Cruising Idle running Deaccelaration Acceleration Cruising ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Protein Carbohydrates Salts of metals Fats Protein Carbohydrates Salts of metals Fats ANSWER DOWNLOAD EXAMIANS APP