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Q3. A Single acting 3 stage reciprocating compressor is designed for minimum work with perfect intercooling. it deliver So. 11 kg/s of air from initial conditions of 1.10 bar and 15℃ and has a volume compression ratio of 2.41 for EACH stage according to the law pV^1.38 = C.

(a) Draw graph pV diagram showing intercooling.

(b) Calculate each of the following:

(i) each stage delivery pressure;

(ii) the total indicated power;

(iii) the total rate of heat removed in the intercoolers.

Note: C_v = 0.718kJ/kgK and C_p = 1.00SkJ/kgK