HomeEngineeringWhile the total emissivity of a perfect black body is unity, the same for a real body is 1377. While the total emissivity of a perfect black body is unity, the same for a real body isBy Admin / September 7, 2025 0 1 > 1 Between 0 and 1 ✅ 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