HomeEngineeringWhich of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? 2653. Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature?By Admin / September 7, 2025 Calorific value of the fuel Flame temperature achieved Speed of combustion of fuel Heat transfer rate to the stock in the furnace ✅ 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