HomeEngineeringThe gas from sludge digestion tank is mainly composed of __________________? 1526. The gas from sludge digestion tank is mainly composed of __________________?By Admin / September 7, 2025 A. nitrogen B. carbon dioxide C. hydrogen sulphide D. methane ✅ The correct answer is option D.
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