HomeEngineeringHardening of steel is not possible, unless it is heated __________ critical point. 301. Hardening of steel is not possible, unless it is heated __________ critical point.By Admin / September 6, 2025 A. Above the highest B. Above the lowest C. Between the first & second D. Between the second & third ✅ 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