HomeEngineeringWhich of the following heat treatment processes is used for softening the hardened material? 1957. Which of the following heat treatment processes is used for softening the hardened material?By Admin / September 7, 2025 Normalising Tempering Annealing None of these ✅ 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