HomeEngineeringFuel economy in furnaces can be achieved by 2271. Fuel economy in furnaces can be achieved byBy Admin / September 7, 2025 Using oxygen enriched combustion air Preheating the combustion air Reducing the heat loss through furnace openings & doors All of the above ✅ The correct answer is option D.
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