HomeEngineeringAbsorptivity and refletivity of a perfect black body are respectively 1297. Absorptivity and refletivity of a perfect black body are respectivelyBy Admin / September 7, 2025 1 and 0 0 and 1 1 and ? 0 and 0.5 ✅ 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