Chemical Engineering - Heat Transfer - Discussion
Discussion Forum : Heat Transfer - Section 3 (Q.No. 43)
43.
Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be
Discussion:
11 comments Page 2 of 2.
Zahraa said:
3 years ago
I think it's wrong in question because the incident radiant energy must be more than the reflected energy so it must be 1000 kcal/s not 100 kcal/s.
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