d) A gas-turbine power plant at sea level operating on the Brayton cycle has a pressure ratio of 9.4 The temperature of the gas at the inlet to the compressor is 322K and temperature of the gas at the turbine inlet is 1432K. Utilizing appropriate air standard assumptions where necessary determine the following: use: Yair 1.45 and Yexhaust =1.36 cpair =1.008 kJ/kgK and cpexhaust = 1.16 kJ/kgK i) Temperature of the gas at the exit from the compressor Temperature of the gas at exit from the turbine ii) iv) v) vi) vii) net work produced in kJ/kg specific heat into the cycle in kJ/kg Thermal Efficiency of the power plant using above gamma (y) and cp values Recalculate the Thermal Efficiency using the complete cold- air standard equation and assumptions (including a constant gamma-1.4) comment on the difference of the efficiency values from part- v and part-vi