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

Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 3 (Q.No. 17)
Heat Transfer, Refrigeration and Air Conditioning
17.
Which of the following statement is correct?
The human body can lose heat even if its temperature is less than the atmospheric temperature.
The increase in air movement increases the evaporation from the human body.
The warm air increases the rate of radiation of heat from the human body.
both (a) and (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.
Chiran said:   7 years ago
Could somebody explain the given answer?
Arun k singh said:   7 years ago
I cannot understand this. Please explain me clearly.
Pankaj Singh said:   7 years ago
According to stefen law, body radiate above the 0k so it's impossible to attain 0k.

And when air (gas) start fast movement conductivity of air increase then heat transfer increased.
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