HomeEngineeringWhich of the following sedimentary rocks changes into quartzite by metamorphic action ? 31. Which of the following sedimentary rocks changes into quartzite by metamorphic action ?By Admin / September 7, 2025 A. sand stone B. lime stone C. shale D. gypsum ✅ 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