HomeEngineeringIn normal conditions, the period for sludge digestion, is_______________? 667. In normal conditions, the period for sludge digestion, is_______________?By Admin / September 7, 2025 A. 10 days B. 20 days C. 30 days D. 60 days ✅ The correct answer is option C.
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