The amount by which the outer edge of the rail is raised, is known as super-elevation.

Question: 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

Answer: Option A

Explanation:

No answer description available for this question.