Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Thermosphere Mesosphere Stratosphere Trophosphere Thermosphere Mesosphere Stratosphere Trophosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Both A & B Natural aeration of water stream Photosynthetic action of algae Neither A nor B Both A & B Natural aeration of water stream Photosynthetic action of algae Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ plant emits large amount of SO₂ as an air pollutant. Nitric acid Iron & steel Chloralkali Sulphuric acid Nitric acid Iron & steel Chloralkali Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 1.2 0.2 0.002 4.8 1.2 0.2 0.002 4.8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? All of these Ozone Photochemical smog Sulphur dioxide All of these Ozone Photochemical smog Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The term Biological Oxygen Demand (BOD) is used in relation to Cooling water Potable water Industrial effluents Distilled water Cooling water Potable water Industrial effluents Distilled water ANSWER DOWNLOAD EXAMIANS APP
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