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At what speed, when pumping water, should the 105 cm pump of the figure below run to realize, at highest efficiency, (a) a head of 30 m? For this condition, what are the resulting (b) flow rate, and (c) brake horsepower? n=710 r/min 120 7.5 NPSH 6.0 105 105-cm dia. 4.5 3.0 96.5-cm dia. 75 89-cm dia. 86% 84% 60 45 1000 bhp 30 15 30 45 60 75 90 105 00 m/min NPSH, m 1500 bhp 1250 bhp %88 %68 %98 %08 %09 Total head, m

At what speed, when pumping water, should the 105 cm pump of the figure below run to realize, at highest efficiency, (a) a head of 30 m? For this condition, what are the resulting (b) flow rate, and (c) brake horsepower? n=710 r/min 120 7.5 NPSH 6.0 105 105-cm dia. 4.5 3.0 96.5-cm dia. 75 89-cm dia. 86% 84% 60 45 1000 bhp 30 15 30 45 60 75 90 105 00 m/min NPSH, m 1500 bhp 1250 bhp %88 %68 %98 %08 %09 Total head, m

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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At what speed, when pumping water, should the 105 cm pump of the figure below run to realize, at highest efficiency, (a) a head of 30 m? For this condition, what are the resulting (b) flow rate, and (c) brake horsepower? n=710 r/min 120 7.5 NPSH 6.0 105 105-cm dia. 4.5 3.0 90 96.5-cm dia. 75 89-cm dia. 86% 84% 45 1000 bhp 30 15 30 45 60 75 90 105 m/min por on NPSH, m 1500 bhp 1250 bhp %88 %88 • %08 %09 Total head, m
Transcribed Image Text:At what speed, when pumping water, should the 105 cm pump of the figure below run to realize, at highest efficiency, (a) a head of 30 m? For this condition, what are the resulting (b) flow rate, and (c) brake horsepower? n=710 r/min 120 7.5 NPSH 6.0 105 105-cm dia. 4.5 3.0 90 96.5-cm dia. 75 89-cm dia. 86% 84% 45 1000 bhp 30 15 30 45 60 75 90 105 m/min por on NPSH, m 1500 bhp 1250 bhp %88 %88 • %08 %09 Total head, m
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