The centrifugal pump shown in Figure Q2 is delivering water from Tank A to Tank B. The distance between the elbow and the centre of the impeller is L = 8.5 m. The diameters of the pipes at the discharge and suction of the pump are D2 = 200 mm and D1 = 300 mm, respectively. The discharge through the pump is 0.025 m³/s. Assume that the distances 'z' and 'h' are measured from the centre of the impeller, the discharge and suction pipes are 40 m and 33 m long, respectively and the power required to drive the centrifugal pump is P = 25.8 kW. NB: Ignore the height at the outlet and inlet of the pump from the datum line. Determine the overall efficiency of the pump if the co-efficient of friction for each pipe is 0.18. Ignore all minor losses.

The centrifugal pump shown in Figure Q2 is delivering water from Tank A to Tank B. The distance between the elbow and the centre of the impeller is L = 8.5 m. The diameters of the pipes at the discharge and suction of the pump are D2 = 200 mm and D1 = 300 mm, respectively. The discharge through the pump is 0.025 m³/s. Assume that the distances 'z' and 'h' are measured from the centre of the impeller, the discharge and suction pipes are 40 m and 33 m long, respectively and the power required to drive the centrifugal pump is P = 25.8 kW. NB: Ignore the height at the outlet and inlet of the pump from the datum line. Determine the overall efficiency of the pump if the co-efficient of friction for each pipe is 0.18. Ignore all minor losses.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The centrifugal pump shown in Figure Q2 is delivering water from Tank A to Tank B.
The distance between the elbow and the centre of the impeller is L = 8.5 m. The
diameters of the pipes at the discharge and suction of the pump are D2 = 200 mm and
D1 = 300 mm, respectively. The discharge through the pump is 0.025 m³/s.
Assume that the distances 'z' and 'h' are measured from the centre of the impeller, the
discharge and suction pipes are 40 m and 33 m long, respectively and the power
required to drive the centrifugal pump is P = 25.8 kW.
NB: Ignore the height at the outlet and inlet of the pump from the datum line.
Determine the overall efficiency of the pump if the co-efficient of friction for each pipe
is 0.18. Ignore all minor losses.
h = 10 m
Z = 35 m
D1
Tank A
Pump
D2
Tank B

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