5-74 A thin-walled double-pipe counter-flow heat exchan- ger is used to cool oil (cp = 2.20 kJ/kg.°C) from 150 to 40°C at a rate of 2 kg/s by water (c, = 4.18 kJ/kg.°C) that enters at 22°C at a rate of 1.5 kg/s. Determine the rate of heat transfer in the heat exchanger and the exit temperature of water. boo10001 sque diw Hot oil wboot art to oites odi mis1992 kg/s 150°C i biupil 1oqay bosso wbool ad asts wolt azam 985 aid 101 Cold water 1.5 kg/s 22°C 40°C com- FIGURE P5-74