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clc
E=12000; //kJ/min
T2=308; //K
// Source 1
T1=593; //K
n1=1-T2/T1;
// Source 2
T1=343; //K
n2=1-T2/T1;
W1=E*n1;
disp("W1 =")
disp(W1)
W2=E*n2;
disp("W2 =")
disp(W2)
disp("Thus, choose source 2.")
disp("The source 2 is selected even though efficiency in this case is lower, because the criterion for selection is the larger output.")
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