HomeEngineeringIn thermal radiation for a black body (where, ε is emissivity and α is absorptivity) 1572. In thermal radiation for a black body (where, ε is emissivity and α is absorptivity)By Admin / September 7, 2025 α = 1; ε ≠ 1 α ≠ 1, ε = 1 α ≠ 1, ε ≠ 1 α = 1; ε = 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
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