HomeEngineeringCold working of a material results in increase in hardness, which is termed as the __________ hardening. 621. Cold working of a material results in increase in hardness, which is termed as the __________ hardening.By Admin / September 6, 2025 A. Cold B. Work C. Age D. Induction ✅ 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