Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Sulphides Bi-carbonates Carbonates Chlorides Sulphides Bi-carbonates Carbonates Chlorides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? Hydrocarbons SO₂ NOx CO Hydrocarbons SO₂ NOx CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of __________ toxic gas. Moderately Very extremely Extremely Highly Moderately Very extremely Extremely Highly ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following plants does not emit appreciable amount of SO₂ in atmosphere? Petroleum refinery Thermal power plant Sulphuric acid plant Nitric acid plant Petroleum refinery Thermal power plant Sulphuric acid plant Nitric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 10 1000 2000 200 10 1000 2000 200 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As compared to rapid sand filters, slow sand filters give(i) Slower filtration rate(ii) Higher filtration rate(iii) Lesser efficiency in removal of bacteria(iv) Higher efficiency in removal of bacteriaThe correct answer is (i) and (iv) (ii) and (iii) (i) and (ii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP