Environmental Engineering in CE A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the Atmospheric effect Global warming Ionosphere Green house Atmospheric effect Global warming Ionosphere Green house ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 50 500 3000 (i.e. 0.3%) 1000 50 500 3000 (i.e. 0.3%) 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is Neutralised by alkali treatment Diluted with fresh water to reduce its acidity Left as such without any treatment None of these Neutralised by alkali treatment Diluted with fresh water to reduce its acidity Left as such without any treatment None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 2000 100 1000 5 2000 100 1000 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries? Radioactive substances Inorganic pollutants None of these Natural organic products Radioactive substances Inorganic pollutants None of these Natural organic products ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from iron & steel industry is H₂S, NO & SO₃ CO, CO₂ & SO₂ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ H₂S, NO & SO₃ CO, CO₂ & SO₂ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ ANSWER DOWNLOAD EXAMIANS APP
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