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diff --git a/2063/CH9/EX9.17/9_17.sce b/2063/CH9/EX9.17/9_17.sce
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+clc
+clear
+//Input data
+V1=0.2;//Volume of air flow per second in a two stage single acting reciprocating compressor in m^3
+P1=0.1;//Intake pressure of air in MPa
+T1=293;//Initial temperature in K
+P3=0.8;//Final pressure after the air is compressed in MPa
+N=600;//Operating speed of the compressor in rpm
+
+//Calculations
+P2=(P1*P3)^(0.5);//Intercooler pressure for perfect intercooling and for minimum work of compression in bar
+Vl=(V1*60)/600;//Volume of the LP cylinder in m^3
+Vh=(P1*Vl)/P2;//Volume of the high pressure cylinder in m^3
+R=Vl/Vh;//Ratio of cylinder volumes
+
+//Output
+printf('The volume ratio of LP to HP cylinders is %3.2f',R)