An isentropic air turbine is used to supply 0.1 kg/s of air at 0.1 MN/m2 and at 285 K to a cabin. The pressure at the inlet to the turbine is 0.4 MN/m2. Determine the temperature at the turbine inlet and the power developed by the turbine. Assume Cp = 1.0 kJ/kg.K
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