Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Disinfection None of these Sterilisation Aeration Disinfection None of these Sterilisation Aeration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. Reduce SO₂ content in Catalytically convert SO₂ to SO₃ in None of these Increase the dew point of Reduce SO₂ content in Catalytically convert SO₂ to SO₃ in None of these Increase the dew point of ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerobic biological oxidation ponds used for the purification of polluted water Destroys/removes pathogen from the sewage Destroys/removes pathogen much more effectively if the sewage is chlorinated Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these Destroys/removes pathogen from the sewage Destroys/removes pathogen much more effectively if the sewage is chlorinated Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Dissolved solid Oil & fatty Suspended solid Gritty & inorganic Dissolved solid Oil & fatty Suspended solid Gritty & inorganic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'? None of these Smoke & fumes Dust & mists Photochemical smog & soot None of these Smoke & fumes Dust & mists Photochemical smog & soot ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes Anaemia Blood poisoning All of these Nervous system disorder Anaemia Blood poisoning All of these Nervous system disorder ANSWER DOWNLOAD EXAMIANS APP