Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 1 500 50 5 1 500 50 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the Forestation Vegetation Green house effect Rain Forestation Vegetation Green house effect Rain ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Any of these Beverages Tanneries Glass & ceramic Any of these Beverages Tanneries Glass & ceramic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 100 to 200 4000 to 5000 10 to 20 1500 to 2500 100 to 200 4000 to 5000 10 to 20 1500 to 2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Biological oxidation Incineration Composting None of these Biological oxidation Incineration Composting None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Lead Fluoride Arsenic Mercury Lead Fluoride Arsenic Mercury ANSWER DOWNLOAD EXAMIANS APP
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