//Operation speed(in rpm): N=2000; //Volume flow rate(in gpm): Q=20; //Pressure(in psig): p=1500; //Actual Pump Displacement(in^3/rev): va=5.9; //Volume flow rate at operating condition(in gpm): Qo=46.5; //Volume flow rate at maximum delivery(in gpm): Qe=48.5; //Pressure at operation condition(in psi): po1=1500; //Efficiency of pump at operating condition: Effp=0.84; //Pressure at operating condition case 2(in psig): po2=3000;