HomeEngineeringSoftening of hardned steel is done by its 629. Softening of hardned steel is done by itsBy Admin / September 6, 2025 A. Normalising B. Tempering C. Annealing D. Carburising ✅ 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