A small turbine runs an aircraft refrigeration system. Air enters the turbine, at 4 bar and 40°C with a velocity of 40 m/s. At the exit the air is at 1 bar, 2.5°C and having a velocity of 200 m/s. If the work output of a turbine is 52 kJ/kg of air, calculate the heat transferred
Q: Questions 1-3
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