HomeEngineeringFor satisfactory working of a sludge digestion unit, the pH range of digested sludge should be maintained as___________________? 1467. For satisfactory working of a sludge digestion unit, the pH range of digested sludge should be maintained as___________________?By Admin / September 7, 2025 A. 4.5 to 6.0 B. 6.5 to 8.0 C. 8.5 to 10.0 D. 10.5 to 12.0 ✅ 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