HomeEngineeringThe heat treatment process used for softening hardened steel is 18061. The heat treatment process used for softening hardened steel isBy Admin / September 14, 2025 carburising normalising annealing tempering ✅ The correct answer is option D.
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