Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 1 20 100 1000 1 20 100 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 50 1 500 5 50 1 500 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? Ozone Photochemical smog Sulphur dioxide All of these Ozone Photochemical smog Sulphur dioxide All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it. Ortho-xylene None of these Coal ash Potassium cyanide Ortho-xylene None of these Coal ash Potassium cyanide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called Dust Grit Smoke Powder Dust Grit Smoke Powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust causes a disease called Silicosis Bronchitis Pneumoconiosis None of these Silicosis Bronchitis Pneumoconiosis None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS