initial commit / add all books

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+//Exa 6.11

+clc;

+clear;

+close;

+format("v",7);

+

+//Given Data :

+p1=20;//bar

+Tsup1=350;//degree C

+m1=1;//Kg

+p2=20;//bar

+m2=1;//Kg

+p3=p1;//bar

+Tsup3=250;//degree C

+m3=m1+m2;//Kg

+Cp=2.25;//KJ/Kg

+hg1=2797.2;//KJ/Kg(at p=20 bar)

+hg2=hg1;//KJ/Kg(at p=20 bar)

+hg3=hg1;//KJ/Kg(at p=20 bar)

+ts1=212.37;//degree C

+ts2=ts1;//degree C

+ts3=ts1;//degree C

+//m1*h1+m2*h2=m3*h3

+h2=(m3*(hg3+Cp*(Tsup3-ts3))-m1*(hg1+Cp*(Tsup1-ts1)))/m2;//KJ/Kg

+disp(h2,"Enthalpy of boiler2 in KJ/Kg :  ");

+disp(hg2,"hg2(KJ/Kg)  : ");

+disp("steam is wet because h2<hg2")

+//h2=hf2+x2*hfg2// as steam is wet because h2<hg2

+hf2=908.6;//KJ/Kg

+hfg2=1888.6;//KJ/Kg

+x2=(h2-hf2)/hfg2;//

+disp(x2,"Dryness : ");

+//Steam table is used to get some data.

+//Ans is wrong in the book.