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. Coal ash Ortho-xylene Potassium cyanide None of these Coal ash Ortho-xylene Potassium cyanide None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of Chlorine or its compounds Ozone and iodine Ultraviolet light for irradiation of water All of these Chlorine or its compounds Ozone and iodine Ultraviolet light for irradiation of water All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Siderosis is a disease caused by the inhalation of __________ dust. Silica Iron None of these Coal Silica Iron None of these Coal ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Workers working in __________ industry are most prone to white lung cancer. Asbestos Coal mining Textile Limestone mining Asbestos Coal mining Textile Limestone mining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Packed scrubber Electrostatic precipitator Gravity settling chamber Hydrocyclone Packed scrubber Electrostatic precipitator Gravity settling chamber Hydrocyclone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Smoke Colloids or aerosols Powder Dust Smoke Colloids or aerosols Powder Dust ANSWER DOWNLOAD EXAMIANS APP
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