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An oil pump is drawing 18 kW of electric power while pumping oil with density 860 kg/m³ at a rate of 0.1 m³/s. The inlet and outlet diameters of the pipe are 8 cm and 17 cm, respectively. I the pressure rise of oil in the pump is measured to be 250 kPa and the motor efficiency is 95 percent, determine the mechanical efficiency of the pump. Take the kinetic energy correction factor as 1.05. Pump Q 8 cm Oil Docm AP = 250 kPa 18 kW Motor

An oil pump is drawing 18 kW of electric power while pumping oil with density 860 kg/m³ at a rate of 0.1 m³/s. The inlet and outlet diameters of the pipe are 8 cm and 17 cm, respectively. I the pressure rise of oil in the pump is measured to be 250 kPa and the motor efficiency is 95 percent, determine the mechanical efficiency of the pump. Take the kinetic energy correction factor as 1.05. Pump Q 8 cm Oil Docm AP = 250 kPa 18 kW Motor

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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An oil pump is drawing 18 kW of electric power while pumping oil with density 860 kg/m³ at a rate of 0.1 m³/s. The inlet and outlet diameters of the pipe are 8 cm and 17 cm, respectively. If the pressure rise of oil in the pump is measured to be 250 kPa and the motor efficiency is 95 percent, determine the mechanical efficiency of the pump. Take the kinetic energy correction factor as 1.05. Pump 8 cm Docm ΔΡ = 250 kPa 18 kW s Motor Oil 0.1 m³/s The mechanical efficiency of the pump is %.
Transcribed Image Text:An oil pump is drawing 18 kW of electric power while pumping oil with density 860 kg/m³ at a rate of 0.1 m³/s. The inlet and outlet diameters of the pipe are 8 cm and 17 cm, respectively. If the pressure rise of oil in the pump is measured to be 250 kPa and the motor efficiency is 95 percent, determine the mechanical efficiency of the pump. Take the kinetic energy correction factor as 1.05. Pump 8 cm Docm ΔΡ = 250 kPa 18 kW s Motor Oil 0.1 m³/s The mechanical efficiency of the pump is %.
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