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Consider an ideal gas refrigeration cycle using helium as the working fluid. Helium enters the compressor...

Consider an ideal gas refrigeration cycle using helium as the working fluid. Helium enters the compressor at 105 kPa and 18°C and compressed to 410 kPa. Helium is then cooled to 19°C before it enters the turbine. Assume constant heat capacity of helium. For a mass flow rate of 0.21 kg/s, the net power input required is

a. 96.1652 kW

b. 63.0826 kW

c. 48.0826 kW

d. 81.1652 kW

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