Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Embrittlement & decrease of folding resistance of paper Damage of electrical insulator on high tension power line Fading of dye on textiles Cracking of rubber products Embrittlement & decrease of folding resistance of paper Damage of electrical insulator on high tension power line Fading of dye on textiles Cracking of rubber products ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Chlorination Skimming off Sedimentation Biological oxidation Chlorination Skimming off Sedimentation Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Bag filter Hollow wet scrubber Dust catcher (gravity type) Cyclone separator Bag filter Hollow wet scrubber Dust catcher (gravity type) Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of Gaseous fuel in the furnace Very high excess air Liquid fuel in the furnace Low excess air Gaseous fuel in the furnace Very high excess air Liquid fuel in the furnace Low excess air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? SO₂ Hydrocarbons H₂S CO SO₂ Hydrocarbons H₂S CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Skimming off Biological oxidation Chlorination Settling out using chemical reagents Skimming off Biological oxidation Chlorination Settling out using chemical reagents ANSWER DOWNLOAD EXAMIANS APP
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