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

Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 8 (Q.No. 17)
Heat Transfer, Refrigeration and Air Conditioning
17.
A steam pipe is to be lined with two layers of insulating materials of different thermal conductivities. For the minimum heat transfer,
the better insulation must be put inside
the better insulation must be put outside
one could place either insulation on either side
one should take into account the steam temperature before deciding as to which insulation is put where
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.
Abbutaleem said:   4 years ago
Option B is the correct answer. For better insulation, the less thermal conductivity material should be kept next to the pipe.

So, less thermal conductivity material should be inside the pipe and more thermal conductivity material should be outside the pipe.
Mukesh said:   6 years ago
Why? Explain.
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