HomeEngineeringBalls in a ball mill are usually made of 2175. Balls in a ball mill are usually made ofBy Admin / September 7, 2025 Steel Cast iron Stainless steel Bronze ✅ 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