HomeEngineeringA perfect black body is one which 17917. A perfect black body is one whichBy Admin / September 14, 2025 is black in colour absorbs heat radiations of all wave lengths falling on it reflects all the heat radiations transmits the heat radiations ✅ 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