Steam enters an insulated nozzle at 1000 kPa and 300°C, at a velocity of 5 m/s. The mass flow rate of the steam is 2.5 kg/s. The steam exits at 250 m/s. Determine the exit temperature if (a) the nozzle is reversible and (b) if the exit pressure is 300 kPa. (c) Plot the entropy generation rate for exit pressures ranging from 200 kPa to 900 kPa.
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