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Q2. For air standard Diesel cycle the volume compression ratio is 8/1.

The maximum and minimum temperature are respectively 1500 K and 279 K, and the minimum pressure is 0. 95 bar.

(a) Sketch a pV and Ts graph of the cycle.

(b) Calculate EACH of the following:

(i) the temperature at all points;

(ii) the air standard efficiency of the cycle;

(iii) the mean effective pressure. (3)

Note: For air C_v = 0.7181 < kJ/kg K C_p = 1.0051 < kJ/kgK