1) Plot the graph of COPref against evaporator load at constant condenser saturation temperature. From the graph, discuss the effect on the COPref as the evaporation load is increased at a constant condenser temperature.
From the experiment that we have done, it can be said that the maximum value of COPref obtained is given by the value of 10.94 which the load used is given by the value of 60N. While, the minimum value of COPref obtained is 8.00 which where the load is at 20N value. As for the graph obtained, it can be noted that, the graph tends to decrease at the value of load from 0N until 40N. Whereas, at the value between 40N to 60N, the graph line starts to increase and it actually reaches its maximum point (highest peak) at the value of 60N. However, the graph begins to decrease after it reaches its highest peak until to the value of 80N (final load).
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