The pump of a water distribution system is powered by a 15-kW electric motor whose efficiency is 90 percent. 300 kPa Pump Water 0 100 kPa 50 L/s "motor = 90% Motor 15 kW 194 Wpump The water flow rate through the pump is 50 L/s. The diame- ters of the inlet and outlet pipes are the same, and the eleva- tion difference across the pump is negligible. If the pressures at the inlet and outlet of the pump are measured to be 100 kPa and 300 kPa (absolute), respectively, determine the mechanical efficiency of the pump.
The pump of a water distribution system is powered by a 15-kW electric motor whose efficiency is 90 percent. 300 kPa Pump Water 0 100 kPa 50 L/s "motor = 90% Motor 15 kW 194 Wpump The water flow rate through the pump is 50 L/s. The diame- ters of the inlet and outlet pipes are the same, and the eleva- tion difference across the pump is negligible. If the pressures at the inlet and outlet of the pump are measured to be 100 kPa and 300 kPa (absolute), respectively, determine the mechanical efficiency of the pump.
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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Transcribed Image Text:The pump of a water distribution system is powered
by a 15-kW electric motor whose efficiency is 90 percent.
300 kPa
Pump
Water
O
100 kPa
50 L/s
pump
"motor- 90%
Motor
15 kW
The water flow rate through the pump is 50 L/s. The diame-
ters of the inlet and outlet pipes are the same, and the eleva-
tion difference across the pump is negligible. If the pressures
at the inlet and outlet of the pump are measured to be 100
kPa and 300 kPa (absolute), respectively, determine the
mechanical efficiency of the pump.
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