A steam pipe is to be lined with two layers of insulating materials of different thermal conductivities. For the minimum heat transfer, Options: A . &nbspOne could place either insulation on either side B . &nbspOne should take into account the steam temperature before deciding as to which insulation is put where C . &nbspThe better insulation must be put outside D . &nbspThe better insulation must be put inside

A steam pipe is to be lined with two layers of insulating materials of different

Question

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

Options:

A . One could place either insulation on either side

B . One should take into account the steam temperature before deciding as to which insulation is put where

C . The better insulation must be put outside

D . The better insulation must be put inside

Answer: Option D

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