Environmental Engineering in CE Which of the following is an adsorbant used for the removal of SO₂ from gas/air? Bog iron Limestone powder or alkalised alumina Active carbon Silica gel Bog iron Limestone powder or alkalised alumina Active carbon Silica gel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 12 8 4 1 12 8 4 1 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 (iv) (ii) and (iii) (i) and (ii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i)and(iv) ANSWER DOWNLOAD EXAMIANS APP
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 Presence of nitrates in water in excess of 50 ppm causes Gastroentetitis Mathenoglobenemia Tooth decay Asphyxiation Gastroentetitis Mathenoglobenemia Tooth decay Asphyxiation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Iron & manganese Bi-carbonates Carbonates Arsenic Iron & manganese Bi-carbonates Carbonates Arsenic ANSWER DOWNLOAD EXAMIANS APP
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