HomeEngineeringOut of the following surfaces, the emis-sivity will be minimum for 290. Out of the following surfaces, the emis-sivity will be minimum forBy Admin / September 6, 2025 A. Aluminium foil B. Concrete C. Plaster D. Smooth glass ✅ 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