In recuperative air preheaters, the heat is transferred – McqOptions

MCQOPTIONS

1.	In recuperative air preheaters, the heat is transferred
A.	rom a metal wall from one medium to another
B.	rom heating an intermediate material and then heating the air from this material
C.	y direct mixing
D.	eat is transferred by bleeding some gases from furnace
Answer» B. rom heating an intermediate material and then heating the air from this material

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