Environmental Engineering in CE The term Biological Oxygen Demand (BOD) is used in relation to Cooling water Potable water Distilled water Industrial effluents Cooling water Potable water Distilled water Industrial effluents ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? NO₂ SO₂ & SO₃ NH₃ CO NO₂ SO₂ & SO₃ NH₃ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan Of increased diameter Both A & B Neither A nor B With greater number of blades Of increased diameter Both A & B Neither A nor B With greater number of blades ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. None of these Reduce SO₂ content in Increase the dew point of Catalytically convert SO₂ to SO₃ in None of these Reduce SO₂ content in Increase the dew point of Catalytically convert SO₂ to SO₃ in ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Black Red Dark brown Grey Black Red Dark brown Grey ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Positively charged Combination of all A, B & C Neutral Negatively charged Positively charged Combination of all A, B & C Neutral Negatively charged ANSWER DOWNLOAD EXAMIANS APP
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