A steam pipe is to be lined with two layers of insulating materials of different thermal conductivities. For the minimum heat transfer,

A The better insulation must be put inside
B The better insulation must be put outside
C One could place either insulation on either side
D One should take into account the steam temperature before deciding as to which insulation is put where

Correct Answer: The better insulation must be put inside

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

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