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+// Display mode
+mode(0);
+// Display warning for floating point exception
+ieee(1);
+clear;
+clc;
+disp("Engineering Thermodynamics by Onkar Singh Chapter 9 Example 6")
+T1=300;//minimum temperature in brayton cycle in K
+T5=1200;//maximum temperature in brayton cycle in K
+n_isen_c=0.85;//isentropic efficiency of compressor
+n_isen_t=0.9;//isentropic efficiency of turbine
+y=1.4;//expansion constant
+disp("NOTE=>In this question formula for overall pressure ratio is derived,which cannot be done using scilab,so using this formula we proceed further.")
+disp("overall pressure ratio(rp)=(T1/(T5*n_isen_c*n_isen_t))^((2*y)/(3*(1-y)))")
+rp=(T1/(T5*n_isen_c*n_isen_t))^((2*y)/(3*(1-y)))
+disp("so overall optimum pressure ratio=13.6")