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Q2. In an air standard dual combustion cycle, the initial volume compression ratio is 5:1. The maximum and minimum temperature are 1350K and 305 K, respectively.

The maximum and minimum pressure are respectively 16 bar and 1 bar.

a) Sketch the processes on p-v and T-s diagrams. (4)

b) Calculate EACH of the following: (10)

(i) the temperature at all points. (2)

(ii) the thermal efficiency.

Note: for air γ = 1.4 and C_p = 1.005 kJ/kgK C_v = 0.718 KJ/kgK