Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Oxides of sulphur Oxides of nitrogen Carbon monoxide Hydrogen sulphide Oxides of sulphur Oxides of nitrogen Carbon monoxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 1000 2000 5 500 1000 2000 5 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its Overall height All of these Diameter Inlet gas velocity Overall height All of these Diameter Inlet gas velocity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Alum Copper sulphate Bleaching powder Activated carbon Alum Copper sulphate Bleaching powder Activated carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 1000 3000 (i.e. 0.3%) 500 50 1000 3000 (i.e. 0.3%) 500 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 1000 25 100 0.1 1000 25 100 0.1 ANSWER DOWNLOAD EXAMIANS APP
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