HomeEngineeringThe hardest material just prior to diamond in Mhos scale is 2065. The hardest material just prior to diamond in Mhos scale isBy Admin / September 7, 2025 Topax Carborundum Corrundum Calcite ✅ 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