HomeEngineeringLead pencil contains 333. Lead pencil containsBy Admin / September 6, 2025 A. Graphite B. Lead sulphide C. Lead D. Both B & C ✅ 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