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  3. air (cp = 1.0 kj/kgk) enters an air conditi

Air (cp = 1.0 kJ/kgK) enters an air conditioning system at 40C with a mass flow...

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Mechanical Engineering

Air (cp = 1.0 kJ/kgK) enters an air conditioning system at 40Cwith a mass flow rate of 1.5 kg/s. The air is cooled by exchangingheat with a stream of R-134a refrigerant that enters the heatexchanger at -8C and 20% quality, and exits with 100% quality. If25 kW of heat is transferred out of the air, determine: (40 pts) i)Mass flowrate of R-134a (kg/hr) ii) Exit temperature of air (C)iii) Exit pressure of R-134a (kPa)

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