Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 9 to 10 1 to 2 4 to 5 15 to 20 9 to 10 1 to 2 4 to 5 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 5 25 0.1 1 5 25 0.1 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Chlorofluro carbons (CFC) Methane Nitrous oxide All of these Chlorofluro carbons (CFC) Methane Nitrous oxide All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Carbon disulphide Toluene Acetaldehyde Carbon dioxide Carbon disulphide Toluene Acetaldehyde Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is the minimum (about 0.02 ppm). MIC (methyl iso-cynate) Phosgene Bromine Ozone MIC (methyl iso-cynate) Phosgene Bromine Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? NO₂ NH₃ SO₂ & SO₃ CO NO₂ NH₃ SO₂ & SO₃ CO ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS