HomeEngineeringOxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. 3149. Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent.By Admin / September 7, 2025 4 96 20 40 ✅ 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