initial commit / add all books

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diff --git a/2969/CH4/EX4.14/Ex4_14.sce b/2969/CH4/EX4.14/Ex4_14.sce
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+clc

+clear

+//DATA GIVEN

+p=7;                           //pressure of steam

+h=2550;                        //enthalpy of steam

+

+//At 7 bar, from steam tables

+hf=697.1;                      //kJ/kg

+hfg=2064.9;                    //kJ/kg

+vg=0.273;                      //m^3/kg

+uf=696;                        //kJ/kg

+ug=2573;                       //kJ/kg

+

+hg=hf+hfg;

+//At 7 bar, hg=2762 kJ/kg, hence since actual enthalpy is given as 2550 kJ/kg, the steam must be in wet vapour state

+//specific enthalpy of wet steam, h=hf+x*hfg

+x=(h-hf)/hfg;                  //dryness fraction

+v=x*vg;                        //specific volume of wet steam

+u=(1-x)*uf+x*ug;               //specific internal energy of wet steam

+

+printf(' (i) The Dryness fraction x is: %1.3f. \n',x);

+printf(' (ii) The Specific volume v is: %1.4f m^3/kg. \n',v);

+printf('(iii) The Specific internal energy u is: %4.2f kJ/kg. \n',u);