Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Fermentation Oxidation Dehydration Reduction Fermentation Oxidation Dehydration Reduction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust causes a disease called Silicosis Bronchitis None of these Pneumoconiosis Silicosis Bronchitis None of these Pneumoconiosis 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'? Photochemical smog & soot Smoke & fumes None of these Dust & mists Photochemical smog & soot Smoke & fumes None of these Dust & mists ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerobic biological oxidation ponds used for the purification of polluted water Destroys/removes pathogen much more effectively if the sewage is chlorinated Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents Destroys/removes pathogen from the sewage All of these Destroys/removes pathogen much more effectively if the sewage is chlorinated Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents Destroys/removes pathogen from the sewage All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 24 to 32 2 to 4 16 to 20 8 to 12 24 to 32 2 to 4 16 to 20 8 to 12 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most efficient and suitable dust removal equipment for removal of flyash from flue gas in a thermal power plant is the Cyclone separator Bag filter Electrostatic precipitator Gravity settling chamber Cyclone separator Bag filter Electrostatic precipitator Gravity settling chamber ANSWER DOWNLOAD EXAMIANS APP
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