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+// Implementation of example 6.1
+// Basic and Applied Thermodynamics by P.K.Nag
+
+clc
+clear
+
+// T1 & T2 are source & sink temperatures respectively
+// n is efficiency of engine & W is work done
+
+t1=800
+t2=30
+T1=t1+273; // K
+T2=t2+273 // K
+W=1 // kW
+Nmax=1-(T2/T1);
+Q1=W/Nmax;
+Q2=Q1-W;
+printf("least rate of heat rejection = %.3f kW",Q2);
+// end \ No newline at end of file