HomeEngineeringThe first stage of neutral process of sludge digestion, is__________________? 327. The first stage of neutral process of sludge digestion, is__________________?By Admin / September 7, 2025 A. Acid fermentation B. Acid regressio C. Alkaline fermentation D. None of these ✅ 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