HomeEngineeringThe ratio of emissive power of a body to the emissive power of a perfectly black body is called emissivity. 14643. The ratio of emissive power of a body to the emissive power of a perfectly black body is called emissivity.By Admin / September 13, 2025 Agree Disagree ✅ 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
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