Before entering the furnace the air is preheated from 32f

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Propane is to be burned with 15.0% excess air. Before entering the furnace, the air is preheated from 32F to 575F. At what rate (Btu/h) must heat be transferred to the air if the feed rate of propane is 1.35*10^5 SCFH?

Reference no: EM13633439

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