HomeEngineeringCo-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture. 5165. Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.By Admin / September 7, 2025 CaO MnO₂ ZnO FeS ✅ 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