HomeEngineeringHeating of an ore below its melting point in presence of excess of air is called 590. Heating of an ore below its melting point in presence of excess of air is calledBy Admin / September 6, 2025 A. Calcination B. Smelting C. Roasting D. Sublimation ✅ The correct answer is option C.
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