Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Oxides of nitrogen Hydrogen sulphide Carbon monoxide Oxides of sulphur Oxides of nitrogen Hydrogen sulphide Carbon monoxide Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 1000 500 10000 5 1000 500 10000 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is the minimum (about 0.02 ppm). Phosgene MIC (methyl iso-cynate) Bromine Ozone Phosgene MIC (methyl iso-cynate) Bromine Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 3000 (i.e. 0.3%) 1000 50 500 3000 (i.e. 0.3%) 1000 50 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Grit Aerosols Aggregates Smoke Grit Aerosols Aggregates Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? Hg F NOx SO₂ Hg F NOx SO₂ ANSWER DOWNLOAD EXAMIANS APP
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