Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Digestion Filtration Both B and C Sedimentation Digestion Filtration Both B and C Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Direct reaction of unsaturated hydrocarbons with either NO or NO₂ produces an eye irritating pollutant compound known as Photochemical smog Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene Poly acrylonitrile Photochemical smog Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene Poly acrylonitrile 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? Electrostatic precipitator Hydrocyclone Gravity settling chamber Packed scrubber Electrostatic precipitator Hydrocyclone Gravity settling chamber Packed scrubber 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 Gravity settling chamber Electrostatic precipitator Bag filter Cyclone separator Gravity settling chamber Electrostatic precipitator Bag filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Forest fire Photochemical oxidation of organic matter Industrial chimney exhaust Automobiles exhaust Forest fire Photochemical oxidation of organic matter Industrial chimney exhaust Automobiles exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Neither A nor B Both A & B Natural aeration of water stream Photosynthetic action of algae Neither A nor B Both A & B Natural aeration of water stream Photosynthetic action of algae ANSWER DOWNLOAD EXAMIANS APP
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