clear clc //Example 3.7 MANOMETER ANALYSIS l1=0.4; //[m] l2=1.0; //[m] l3=0.8; //[m] S_oil=0.8; //Specific weights g_water=9810; //[N/m^3] g_oil=S_oil*g_water //[N/m^3] g_air=0; //[N/m^3] g_mercury=133000; //[N/m^3] p1=0; //pressure[Pa] //From Manometer equation p2=(p1+g_mercury*l3-g_air*l2+g_oil*l1)/10^3 //[kPa],(factor 1kPa/10^3Pa) printf("\nThe pressure of the air in the tank = %.f kPa gage.\n",p2)