HomeEngineeringSilicon percentage in iron castings to have maximum hardness should be about 2017. Silicon percentage in iron castings to have maximum hardness should be aboutBy Admin / September 7, 2025 0.3 0.5 0.8 2.5 ✅ 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