Acool room is required for storage of food and drinks for chems functions. the chems committee decided that a cool room temperature of 8°c will be satisfactory because further rapid cooling of the drinks will be achieved by storage in ice on site at the functions. committee members who had passed chemical engineering thermodynamics suggested a conventional vapour compression refrigeration unit operating with an isenthalpic valve. refrigerant 22 was selected as a readily available and economic refrigerant. the evaporator coils are maintained at -40°c by an available coolant. the refrigerant temperature leaving the condenser is maintained at 19°c by an available coolant. due to budgetary constraints, a low cost second-hand refrigeration unit was purchased so the compressor has an efficiency of only 70%. the required heat removal rate in the evaporator was determined to be 1.200 kj/s. neatly draw and label clearly a schematic diagram of this process, determine: a) the circulation rate of refrigerant. b) the power requirement of the compressor, c) the heat removal rate in the condenser. d) the c. o.p of the cycle. for convenience and consistency, use the following numbering to define the state of the refrigerant at key locations in the plant: 1 - exit from the expansion valve 2 - exit from the evaporator 3-exit from the compressor 4- exit from the condenser