Air at 277 oC and 1000 kPa enters a turbine operating at steady state with a mass flow rate of 70 kg/hr. It exits the turbine at 27 oC and 700 kPa. During this process heat is added from the surroundings at 77 oC to the turbine at a rate of 1000 kJ/hr. Using variable specific heats, determine whether this claim is correct. Justify your answer.
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