Question #86097

In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred_________________?

A) Through a metallic wall

B) By direct contact of hot flue gas with air

C) By heating an intermediate material (like chequor bricks) and then heating the air from this

D) hot material

E) None of these

Answer: In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred Through a metallic wall.

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