Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 70 50 85 25 70 50 85 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Caustic embrittlement Turbidity Suspended silica Dissolved oxygen Caustic embrittlement Turbidity Suspended silica Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from petroleum refineries is CO₂, NO & SO₃ SO₃, NO₂ & CO₂ CO, SO₂ & H₂S CO₂, H₂S & NO₂ CO₂, NO & SO₃ SO₃, NO₂ & CO₂ CO, SO₂ & H₂S CO₂, H₂S & NO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Active carbon Limestone powder Bog iron Silica gel Active carbon Limestone powder Bog iron Silica gel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Sodium sulphate Copper sulphate Hydrochloric acid Lime Sodium sulphate Copper sulphate Hydrochloric acid Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? All of these Sulphur dioxide Photochemical smog Ozone All of these Sulphur dioxide Photochemical smog Ozone ANSWER DOWNLOAD EXAMIANS APP
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