Environmental Engineering in CE The term Biological Oxygen Demand (BOD) is used in relation to Distilled water Cooling water Industrial effluents Potable water Distilled water Cooling water Industrial effluents Potable water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is Nothing but black smoke A combination of smoke and fog A liquid particle resulting from vapor condensation A solid particle e.g. flyash Nothing but black smoke A combination of smoke and fog A liquid particle resulting from vapor condensation A solid particle e.g. flyash ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Pulverised limestone Bog iron (iron oxide) Silica gel Active carbon Pulverised limestone Bog iron (iron oxide) Silica gel Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone is A primary pollutant Both B & C A secondary pollutant Impervious to ultra-violet rays A primary pollutant Both B & C A secondary pollutant Impervious to ultra-violet rays ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 10⁻⁷ 7 x 10⁷ 7 x 10⁻⁷ 10⁷ 10⁻⁷ 7 x 10⁷ 7 x 10⁻⁷ 10⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? SO₂ & SO₃ CO NH₃ NO₂ SO₂ & SO₃ CO NH₃ NO₂ ANSWER DOWNLOAD EXAMIANS APP
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