Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 0.002 1.2 0.2 4.8 0.002 1.2 0.2 4.8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Fermentation Reduction Dehydration Oxidation Fermentation Reduction Dehydration Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Stratosphere Thermosphere Mesosphere Trophosphere Stratosphere Thermosphere Mesosphere Trophosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 300 ppm 50 ppm 100 ppm 700 ppm 300 ppm 50 ppm 100 ppm 700 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 0.001 0.1 5 10 0.001 0.1 5 10 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 Green house effect Rain Vegetation Forestation Green house effect Rain Vegetation Forestation ANSWER DOWNLOAD EXAMIANS APP
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