A centrifugal water pump is tested under its design flow rate Q=250 m/hr. The static pressure at the suction and discharge end of the pump are measured 1.2 bar and 8.5 bar respectively. The suction pipe is 10"- 40 and the discharge pipe is 8"- 40. The energy consumed by the pump during a test period of 30 minutes is 48.5kwhr. The geodetic head difference between suction and discharge end are 0.25m Detemine the useful head of the pump, the overall efficiency and the energy cost for pumping 10,000 m3 of water under the test operating condition. Assume nmotor-95%, Density of medium=998 kg/m-
A centrifugal water pump is tested under its design flow rate Q=250 m/hr. The static pressure at the suction and discharge end of the pump are measured 1.2 bar and 8.5 bar respectively. The suction pipe is 10"- 40 and the discharge pipe is 8"- 40. The energy consumed by the pump during a test period of 30 minutes is 48.5kwhr. The geodetic head difference between suction and discharge end are 0.25m Detemine the useful head of the pump, the overall efficiency and the energy cost for pumping 10,000 m3 of water under the test operating condition. Assume nmotor-95%, Density of medium=998 kg/m-
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A centrifugal water pump is tested under its design flow rate Q=250 m/hr. The static pressure at the suction and discharge end of the pump are measured 1.2 bar and 8.5 bar respectively. The suction pipe is 10"- 40 and the discharge pipe is 8"- 40. The energy consumed by the pump during a test period of 30 minutes is 48.5kwhr. The geodetic head difference between suction and discharge end are 0.25m Detemine the useful head of the pump, the overall efficiency and the energy cost for pumping 10,000 m3 of water under the test operating condition. Assume nmotor-95%, Density of medium=998 kg/m-
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