HomeEngineeringFor hardening alloy steels and high speed steels, they are heated to 17594. For hardening alloy steels and high speed steels, they are heated toBy Admin / September 13, 2025 500 to 600°C 700 to 900°C 1100 to 1300°C 1300 to 1500°C ✅ The correct answer is option C.
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