Environmental Engineering in CE Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) Acts as a green house gas thereby raising earth's temperature Inhances the green house effect Causes asphyxia Causes increase in sea level Acts as a green house gas thereby raising earth's temperature Inhances the green house effect Causes asphyxia Causes increase in sea level 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 Water effluent generated in printing industry is decolourised by Adsorption Reverse osmosis Electrolytic decomposition Ion exchange technique Adsorption Reverse osmosis Electrolytic decomposition Ion exchange technique ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Copper sulphate Sodium sulphate Lime Hydrochloric acid Copper sulphate Sodium sulphate Lime Hydrochloric acid 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. 1 8 12 4 1 8 12 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Colloids or aerosols Powder Smoke Dust Colloids or aerosols Powder Smoke Dust ANSWER DOWNLOAD EXAMIANS APP
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