You are here

Reciprocating air compressor draws 6 kg of air per minute at 25°C. It compresses the air....

Question: 

Reciprocating air compressor draws 6 kg of air per minute at 25°C. It compresses the air
polytropically and delivers it at 105°C. Find the work done by the compressor and air power.
Also find mechanical efficiency if shaft power is 14 kW. Assume R = 0.287 kJ/kg°K and n = 1.3.

Answer: