5- A pump has the following parameters N = 2133.5 RPM, Ns = 40 RPM, D = 37.1 cm and is used to pump water up to 90 m(H) at maximum efficiency operation: write the answer only (a) At what speed should the pump be operated to pump water up to (76 m)? (b) What is the discharge in each case? (c) What is pumping power needed in each case? (d) What is consumed electrical power in each case if Gmax = 90%?
5- A pump has the following parameters N = 2133.5 RPM, Ns = 40 RPM, D = 37.1 cm and is used to pump water up to 90 m(H) at maximum efficiency operation: write the answer only (a) At what speed should the pump be operated to pump water up to (76 m)? (b) What is the discharge in each case? (c) What is pumping power needed in each case? (d) What is consumed electrical power in each case if Gmax = 90%?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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