249) The ratio of surface convection resistance to the internal conduction resistance is known as
Answer is:
Biot number
Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers
Answer is:
the ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body
Explanation:
According to Kirchhoff's law, the ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body.
Answer is:
Correct
Answer is: