HomeEngineering‘Spinel’, a refractory mineral is chemically represented as 3109. ‘Spinel’, a refractory mineral is chemically represented asBy Admin / September 7, 2025 MgAl2O4 MgAl2O3 MgSO4 MgAl2O3.2H2O ✅ The correct answer is option A.
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