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Question #79734

Mechanical Engineering

In a recuperative air preheater, the heat is transferred____________________?

Options:

A) from a metal wall from one medium to another

B) from heating an itermediate material and then heating the air from this material

C) by direct mixing ,

D) heat is transferred by bleeding some gases from furnace

E) E. none of the above

Answer: In a recuperative air preheater, the heat is transferred from a metal wall from one medium to another.

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