HomeEngineeringThe iron ore mostly used for the production of pig iron is 12091. The iron ore mostly used for the production of pig iron isBy Admin / September 13, 2025 magnetite haematite limonite siderite ✅ The correct answer is option B.
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