Q
In regenerative air preheater, the heat is transferred _____________________?
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A
A. From a metal wall from one medium to another
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B
B. From heating an intermediateanaterial and then heating the air from this material
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C
C. By direct mixing
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D
D. Heat is transferred by bleeding some gas from furnace
Correct Answer:
B. B. From heating an intermediateanaterial and then heating the air from this material
