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diff --git a/167/CH1/EX1.7/ex7.sce b/167/CH1/EX1.7/ex7.sce
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+//ques7
+//Measuring pressure with multifluid manometer
+clear
+clc
+Patm=85.6; //in kPa
+dwater=1000;//density of water in Kg/m^3 
+dmercury=13600;//density of mercury in Kg/m^3
+doil=850;//density of oil in Kg/m^3
+g=9.81;//acc due to gravity in m/s^2
+h1=0.1;//height of water in metre
+h2=0.2;//height of oil in metre
+h3=0.35;//hieght of mercury in metre
+P1=Patm+g*(dmercury*h3-dwater*h1-doil*h2)/1000;
+printf("Pressure P1 = %.0f kPa",P1);
+
+