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diff --git a/1943/CH11/EX11.7/Ex11_7.sce b/1943/CH11/EX11.7/Ex11_7.sce
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+
+clc
+clear
+//Input data
+T1=25+273//Temperature in K
+rp=6//Pressure ratio
+Vb=220//Mean velocity in m/s
+b1=45//Angle in degrees
+a2=b1//Angle in degrees
+b2=15//Angle in degrees
+a1=b2//Angle in degrees
+R=50//Degree of reaction in percent
+n=10//Number of stages
+in=83//Isentropic efficiency in percent
+cp=1.005//Specific heat in kJ/kg.K
+g=1.4//Ratio of specific heats
+
+//Calculations
+V1=(Vb/(sind(b2)+(cosd(a1)*tand(a2))))//Velocity in m/s
+V2=(V1*cosd(b2))/cosd(b1)//Velocity in m/s
+dVw=(V2*sind(a2))-(V1*sind(a1))//Velocity in m/s.Textbook answer is wrong. Correct answer is 127 m/s
+T2sT1=rp^((g-1)/g)//Temperature ratio
+T2s=(T2sT1*T1)//Temperature in K
+dTs=(T2s-T1)//Temperature difference in K
+dT=(dTs/(in/100))//Temperature difference in K
+W=(cp*dT)//Workdone in kJ/kg
+w=(W*10^3)/(Vb*dVw*n)//Work done factor
+
+//Output
+printf('Workdone factor of the compressor is %3.2f',w)