HomeEngineeringHigh speed steel tools retain their hardness upto a temperature of 17696. High speed steel tools retain their hardness upto a temperature ofBy Admin / September 13, 2025 250°C 350°C 500°C 900°C ✅ 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