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A centrifugal pump discharges 0.15m3/s of water against a head of 15 m. The impeller has outer and inner diameter of 35 and 15 cm, respectively. The outlet vanes are set back at an angle 40 deg. The area of flow is constant from inlet to outlet and is 0.06m2. If the speed of the pump is 960 rpm. Take slip factor = 1. Calculate the manometric efficiency, and A. 45.9% В. 57.3% С. 60.7% D. 39.3% vane angle at inlet. A. 11 deg B. 17 deg C. 15 deg D. 18 deg

A centrifugal pump discharges 0.15m3/s of water against a head of 15 m. The impeller has outer and inner diameter of 35 and 15 cm, respectively. The outlet vanes are set back at an angle 40 deg. The area of flow is constant from inlet to outlet and is 0.06m2. If the speed of the pump is 960 rpm. Take slip factor = 1. Calculate the manometric efficiency, and A. 45.9% В. 57.3% С. 60.7% D. 39.3% vane angle at inlet. A. 11 deg B. 17 deg C. 15 deg D. 18 deg

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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PROBLEM 2 A centrifugal pump discharges 0.15m3/s of water against a head of 15 m. The impeller has outer and inner diameter of 35 and 15 cm, respectively. The outlet vanes are set back at an angle 40 deg. The area of flow is constant from inlet to outlet and is 0.06m2. If the speed of the pump is 960 rpm. Take slip factor = 1. Calculate the manometric efficiency, and A. 45.9% B. 57.3% C. 60.7% D. 39.3% vane angle at inlet. A. 11 deg B. 17 deg C. 15 deg D. 18 deg
Transcribed Image Text:PROBLEM 2 A centrifugal pump discharges 0.15m3/s of water against a head of 15 m. The impeller has outer and inner diameter of 35 and 15 cm, respectively. The outlet vanes are set back at an angle 40 deg. The area of flow is constant from inlet to outlet and is 0.06m2. If the speed of the pump is 960 rpm. Take slip factor = 1. Calculate the manometric efficiency, and A. 45.9% B. 57.3% C. 60.7% D. 39.3% vane angle at inlet. A. 11 deg B. 17 deg C. 15 deg D. 18 deg
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