Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Composting Biological oxidation None of these Incineration Composting Biological oxidation None of these Incineration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) t = 15 - 0.0065h t = 15 - 0.0035h t = 0.0035h -15 t = 15 + 0.0065h t = 15 - 0.0065h t = 15 - 0.0035h t = 0.0035h -15 t = 15 + 0.0065h ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? SO₃ H₂ N₂ CO₂ SO₃ H₂ N₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust causes a disease called Silicosis None of these Bronchitis Pneumoconiosis Silicosis None of these Bronchitis Pneumoconiosis 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 None of these Left as such without any treatment Diluted with fresh water to reduce its acidity Neutralised by alkali treatment None of these Left as such without any treatment Diluted with fresh water to reduce its acidity Neutralised by alkali treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes All of these Corrosion, tarnishing & soiling of metals Reduced strength of textiles Fading of dyes on textiles All of these Corrosion, tarnishing & soiling of metals Reduced strength of textiles Fading of dyes on textiles ANSWER DOWNLOAD EXAMIANS APP
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