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(4) WWWR 22.12 A shell-and-tube exchanger having one shell pass and eight tube passes is to heat kerosene from 80 to 130F. The kerosene enters

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(4) WWWR 22.12 A shell-and-tube exchanger having one shell pass and eight tube passes is to heat kerosene from 80 to 130F. The kerosene enters at a rate of 2500 lbm/h. Water entering at 2000F and at a rate of 900 lbm/h is to flow on the shell side. The overall heat-transfer coefficient is 260 Btu/h ft? OF. Determine the required heat-transfer area

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