A pump helps bring oil (SG = 0.8) to reservoir D from reservoir A at 235 liters per second. The energy lost from the reservoir A to the pump is 1 joule per newton and from pump to reservoir D is 3 joules per newton. If the elevation of reservoir A and reservoir D is 25 meters and 70 meters respectively, calculate the horsepower the pump supplies and the power needed if the pump is 80% efficient. Use g = 9.807 m/s? = 32.17 ft/s? and ywater = 9790 N/m3 = 62.4 Ib/ft³
A pump helps bring oil (SG = 0.8) to reservoir D from reservoir A at 235 liters per second. The energy lost from the reservoir A to the pump is 1 joule per newton and from pump to reservoir D is 3 joules per newton. If the elevation of reservoir A and reservoir D is 25 meters and 70 meters respectively, calculate the horsepower the pump supplies and the power needed if the pump is 80% efficient. Use g = 9.807 m/s? = 32.17 ft/s? and ywater = 9790 N/m3 = 62.4 Ib/ft³
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A pump helps bring oil (SG = 0.8) to reservoir D from
reservoir A at 235 liters per second. The energy lost
from the reservoir A to the pump is 1 joule per newton
and from pump to reservoir D is 3 joules per newton. If
%3D
the elevation of reservoir A and reservoir D is 25 meters
and 70 meters respectively, calculate the horsepower
the pump supplies and the power needed if the pump
is 80% efficient.
Use g = 9.807 m/s? = 32.17 ft/s? and ywater = 9790 N/m3
= 62.4 Ib/ft3
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