7.An Atkinson cycle operates with a compression ratio of 12:1 and an expansion ratio of 6:1. The initial conditions are 1 bar and 300 K, and the maximum temperature in the cycle is 1600 K. Determine the thermal efficiency, compression ratio, and specific heat ratio of the working fluid for the Atkinson cycle. Given specific heat capacities of the working fluid as Cp = 1 kJ/kg-K and Cv = 0.718 kJ/kg-K. 8. A Dual cycle operates with a compression ratio of 12:1 and an expansion ratio of 6:1. The