Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 1000 500 10000 5 1000 500 10000 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Color Turbidity Hardness Dissolved gases Color Turbidity Hardness Dissolved gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Soluble and toxic organics All of these Heavy metals and cynides Suspended solids Soluble and toxic organics All of these Heavy metals and cynides Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Sodium sulphate Lime Copper sulphate Hydrochloric acid Sodium sulphate Lime Copper sulphate Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh sewage is __________ in nature. Alkaline Highly acidic Neutral Acidic Alkaline Highly acidic Neutral Acidic 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 SO₂ CFC (chloro fluoro carbon) Hydrocarbons CO₂ SO₂ CFC (chloro fluoro carbon) Hydrocarbons CO₂ ANSWER DOWNLOAD EXAMIANS APP
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