Task 24a Find the number of stages of a reciprocating compressor compressing nitrogen with a temperature of 25 °C from 1 kgf/cm2 to p kgf/cm2 (absolute pressure). The maximum temperature at the end of compression is 140°C. The compression process is adiabatic. a) p=40 kgf/cm2; b) p=80 kgf/cm2; c) p=120 kgf/cm2.

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