Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 10000 1000 5 500 10000 1000 5 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is (ii) and (iii) (ii) and (iv) (i) and (ii) (i)and(iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i)and(iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 1000 0.1 100 25 1000 0.1 100 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Catalytic conversion Green house effect Both B and C Global warming Catalytic conversion Green house effect Both B and C Global warming ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the Forestation Vegetation Rain Green house effect Forestation Vegetation Rain Green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 200 100 400 20 200 100 400 20 ANSWER DOWNLOAD EXAMIANS APP
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