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A heat exchanger is used to cool an air flow from 1400 to 680 R, both states at 150 lbf/in.2. The coolant is a water

A heat exchanger is used to cool an air flow from 1400 to 680 R, both states at 150 lbf/in.2. The coolant is a water flow at 60 F, 15 lbf/in.2 and it is shown in Fig. P6.86. If the water leaves as saturated vapor find the ratio of the flow rates m.H2O/m.air.

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