HomeEngineeringNatural silica 3349. Natural silicaBy Admin / September 7, 2025 mainly contains quartz. is not stable at high temperature. transforms to other allotropic forms i.e tridymite and cristoballite involving very high volume changes. all (a), (b) and (c). ✅ The correct answer is option D.
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