A shell-and-tube exchanger having one shell pass and eight tube passes is to heat kerosene from 80 to 130 F. The kerosene enters at a rate of 2500 lb m /h. Water entering at 200 F and at a rate of 900...

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 lb_m/h. Water entering at 200F and at a rate of 900 lb_m/h is to flow on the shell side. The overall heat-transfer coefficient if 260 Btu/h ft²

. Determine the required heat-transfer area.