10 Two streams of steam, one at 2 MP2, 300°C and the other at 2 MP2 400°C, mix in a seady flow adiabatic process. The rates of flow of the two streams are 3 kg min and 2 kg/min respectively. Evaluate the final temperature of the emerging stream, if there is no pressure drop due to the mixing process. What would be the rate of increase in the entropy of the universe? This stream with a negligible velocity now expands adiabatically in a nozzle to a pressure of 1 kPa. Determine the exit velocity of the stream and the exit area of the nozzle.
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