Aone shell and two tube type heat exchanger has an overall heat transfer coefficient of 350 btu/h · ft2 · °f. the shell side fluid has a capacity rate of 25,000 btu/h · °f, while the tube side fluid has a heat capacity rate of 50,000 btu/h · °f. the inlet temperature on the shell side and tube side are 250°f and 100°f, respectively. if the total heat transfer area is 150 ft2, determine the following: the heat transfer effectiveness. the actual heat transfer rate in the heat exchanger