Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion

Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 2 (Q.No. 18)
18.
The emissivity for a black body is
0
0.5
0.75
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
12 comments Page 2 of 2.

Kukku said:   6 years ago
Why, please explain.

Raghuprasad said:   8 years ago
It should be zero.


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