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Posted on Sep 10, 2024

4 . 4 . If 2 5 0 ( f t ) 3 ( s ) - 1 of air at 1 2 2 (

4.4 .

250 (f t)^{3} (s)^{- 1}

of air at

122 (F)

and approximately atmospheric pressure is preheated for a combustion process to

932 (F),

what rate of heat transfer is required?

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