Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Phenol Turbidity Silica Dissolved oxygen Phenol Turbidity Silica Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Soluble silica present in boiler feed water can be removed by Filtration Preheating it Coagulation Anion exchanger Filtration Preheating it Coagulation Anion exchanger ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust By reaction of hydrocarbon & nitric oxide in presence of sunlight Appears only on sunny days Is harmful for crops and trees also besides causing eye irritation & asthma All of these By reaction of hydrocarbon & nitric oxide in presence of sunlight Appears only on sunny days Is harmful for crops and trees also besides causing eye irritation & asthma All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries? Radioactive substances Natural organic products None of these Inorganic pollutants Radioactive substances Natural organic products None of these Inorganic pollutants ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? NOx Hg SO₂ F NOx Hg SO₂ F 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. None of these Potassium cyanide Coal ash Ortho-xylene None of these Potassium cyanide Coal ash Ortho-xylene ANSWER DOWNLOAD EXAMIANS APP