Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 1 4 0.1 0.01 1 4 0.1 0.01 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust causes a disease called Pneumoconiosis None of these Silicosis Bronchitis Pneumoconiosis None of these Silicosis Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Oxides of nitrogen Carbon monoxide Hydrogen sulphide Oxides of sulphur Oxides of nitrogen Carbon monoxide Hydrogen sulphide Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 145 80 125 100 145 80 125 100 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? F NOx Hg SO₂ F NOx Hg SO₂ 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 Left as such without any treatment None of these Diluted with fresh water to reduce its acidity Neutralised by alkali treatment Left as such without any treatment None of these Diluted with fresh water to reduce its acidity ANSWER DOWNLOAD EXAMIANS APP
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