HomeEngineering__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required. 1146. __________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.By Admin / September 6, 2025 A. Beryllia B. Zirconia C. Alumina D. Magnesia ✅ 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