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+//Chapter-5, Example 5.24, Page 218
+//=============================================================================
+clc
+clear
+
+
+//INPUT DATA
+Tc=55;//Tempaerature of concrete hyway in degree C
+Tl=35;//Temperature lowered in degree C
+Tf=45;//Final temperature in degree C
+x=0.05;//Depth in m
+k=1.279;//Thermal conductivity in W/m.K
+a=(1.77*10^-3);//Thermal diffusivity in m^2/h
+
+//CALCULATIONS
+t=1.4;//Time taken from page no. 219 in h
+q=2*(k*(Tl-Tf))/(sqrt(3*a*t));//Instantaneous heat removal rate in W/m^2
+
+//OUTPUT
+mprintf('Instantaneous heat removal rate is %3.1f W/m^2',q)
+
+//=================================END OF PROGRAM==============================