HomeEngineeringMain pollutants released from petroleum refineries is 5693. Main pollutants released from petroleum refineries isBy Admin / September 7, 2025 CO, SO₂ & H₂S CO₂, NO & SO₃ CO₂, H₂S & NO₂ SO₃, NO₂ & CO₂ ✅ The correct answer is option A.
1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm². Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin
2. Transformer cores are normally made from Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin