# Question

Argon enters a turbine at a rate of 80.0 kg/min, a temperature of 800°C and a pressure of 1.50 MPa. It expands adiabatically as it pushes on the turbine blades and exits at pressure 300 kPa.

(a) Calculate its temperature at exit.

(b) Calculate the (maximum) power output of the turning turbine.

(c) The turbine is one component of a model closed-cycle gas turbine engine. Calculate the maximum efficiency of the engine.

(a) Calculate its temperature at exit.

(b) Calculate the (maximum) power output of the turning turbine.

(c) The turbine is one component of a model closed-cycle gas turbine engine. Calculate the maximum efficiency of the engine.

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