Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Oxidation Dehydration Fermentation Reduction Oxidation Dehydration Fermentation Reduction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Embrittlement & decrease of folding resistance of paper Damage of electrical insulator on high tension power line Cracking of rubber products Fading of dye on textiles Embrittlement & decrease of folding resistance of paper Damage of electrical insulator on high tension power line Cracking of rubber products Fading of dye on textiles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Silica gel Pulverised limestone Bog iron (iron oxide) Active carbon Silica gel Pulverised limestone Bog iron (iron oxide) Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 50 85 70 25 50 85 70 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Skimming off Biological oxidation Sedimentation Chlorination Skimming off Biological oxidation Sedimentation Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using Accoustical absorbent Lagging of noisy duct Mufflers (silencers) None of these Accoustical absorbent Lagging of noisy duct Mufflers (silencers) None of these ANSWER DOWNLOAD EXAMIANS APP
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