Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 17 357 1097 0.5 17 357 1097 0.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 150 90 120 180 150 90 120 180 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Vibration damping Green house gases Use of silencers Tree plantation Vibration damping Green house gases Use of silencers Tree plantation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Ferrous sulphate Lime Hydrazine Alum Ferrous sulphate Lime Hydrazine Alum ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from petroleum refineries is CO₂, NO & SO₃ CO, SO₂ & H₂S SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ CO₂, NO & SO₃ CO, SO₂ & H₂S SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Oxidation Lagoon Skimming tank Imhoff tank Oxidation Lagoon Skimming tank Imhoff tank ANSWER DOWNLOAD EXAMIANS APP
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