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QUESTION 2 Condenser Diagram 2 shows an ideal cascade vapour-compression refrigeration cycle using 11160Your R134a in the first cycle. co Heat- Exchanger The refrigerant enters

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QUESTION 2 Condenser Diagram 2 shows an ideal cascade vapour-compression refrigeration cycle using 11160"Your R134a in the first cycle. co Heat- Exchanger The refrigerant enters the first compressor at 100kPa and the second compressor at 900kPa. The heat-exchanger is operated at 280kPa for both #1 and #2. Both compressor stages work with an isentropic efficiency of Cur 90% Evaporator Diagram 2 1. Calculate the coefficient of performance for this refrigeration cycle (18) 2. Calculate the refrigeration effect for this refrigeration cycle (2)

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