HomeEngineeringThe main industrial source of emission of hydrogen sulphide air pollutant is 5688. The main industrial source of emission of hydrogen sulphide air pollutant isBy Admin / September 7, 2025 Petroleum refineries Coal based thermal power plants Pulp and paper plant Metallurgical roasting & smelting plant ✅ The correct answer is option B.
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