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+// Example 2.17

+clc;

+clear;

+close;

+// Given data

+h1= 210;//first heat transfer in kJ

+h2= -20;// second heat transfer in kJ

+h3= -190;// third heat transfer in kJ

+h4= 60;// fourth heat transfer in kJ

+W1= -180;// first work transfer in kJ

+W2= 200;// second  work transfer in kJ

+W3= -300;// third  work transfer in kJ

+// Total Heat transfer = Total work transfer

+W4= h1+h2+h3+h4-W1-W2-W3;// forth  work transfer in kJ

+disp(W4,"Fourth work transfer in kJ is :")

+disp("Thus the system delivers "+string(W4)+" kJ of work")