Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Cracking of rubber products Embrittlement & decrease of folding resistance of paper Fading of dye on textiles Damage of electrical insulator on high tension power line Cracking of rubber products Embrittlement & decrease of folding resistance of paper Fading of dye on textiles Damage of electrical insulator on high tension power line ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Oxidation followed by settling & filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling & filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. Catalytically convert SO₂ to SO₃ in Increase the dew point of None of these Reduce SO₂ content in Catalytically convert SO₂ to SO₃ in Increase the dew point of None of these Reduce SO₂ content in ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 85 145 105 125 85 145 105 125 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible turbidity in potable water is __________ ppm. 1 250 1000 10 1 250 1000 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by Chlorination Treating in biological oxygen pond None of these Chemical coagulation Chlorination Treating in biological oxygen pond None of these Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
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