Environmental Engineering in CE Disinfection of water is done to remove Foul odour Color Bad taste Bacteria Foul odour Color Bad taste Bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of CFC (chloro fluoro carbon) Hydrocarbons CO₂ SO₂ CFC (chloro fluoro carbon) Hydrocarbons CO₂ SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Heavy metals and cynides Suspended solids All of these Soluble and toxic organics Heavy metals and cynides Suspended solids All of these Soluble and toxic organics ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? SO₂ & SO₃ CO NH₃ NO₂ SO₂ & SO₃ CO NH₃ NO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones. 10¹⁵ 10⁵ 10⁹ 10² 10¹⁵ 10⁵ 10⁹ 10² ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of liquid effluents Organic concentration in gaseous effluents Characterisation of boiler feed water Characterisation of solid wastes Characterisation of liquid effluents Organic concentration in gaseous effluents Characterisation of boiler feed water Characterisation of solid wastes ANSWER DOWNLOAD EXAMIANS APP
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