An 18-in-diameter centrifugal pump, running at 880 r/min with water at 20°C, generates the following performance data: Plot the required input power versus the flow rate.

4. A centrifugal pump delivers 1500 L/min of water from an initial pressure of 156 kPa to a final pressure of 328 kPa. The area of the inlet pipe is 315 cm² and the area of the discharge pipe is 80 cm?. Solve for the power input to the pump, kW.

What type of impeller should be selected for pumping water (60°F) at 1200 rpm for a pump head of 750 ft and discharge of 15 cfs? O Mixed-flow impeller O Laminar-flow impeller O Radial-flow impeller O Axial-flow impeller

The Head -flowrate curve for a centrifugal pump is given by: HP = 28 -30Q2 Where, HP is in meter and Q is in m3/s . This pump is used to pump water for a system with the following (H-Q) curve: HS = 8 + 150Q2 Where, HS is in meter and Q is in m3/s . What is the resulting flow rate in the system if three pumps are used in series? (a) 0.56 m^3/s (b) 0.48 m^3/s (c) 0.33 m^3/s (d) 0.36 m^3/s HINT: what is the resulting Flow-rate in the system if three pumps are used in series ? Choose correct option above