What hp must be supplied to pump 2 cu. ft per sec from the lower to upper reservoir if the pump efficiency is 75% ? Assume the flow is completely rough stage for old cast iron pipe (e=0.003 ft). What must be the total head of the pump?

What hp must be supplied to pump 2 cu. ft per sec from the lower to upper reservoir if the pump efficiency is 75% ? Assume the flow is completely rough stage for old cast iron pipe (e=0.003 ft). What must be the total head of the pump?

Automotive Technology: A Systems Approach (MindTap Course List)

6th Edition

ISBN:9781133612315

Author:Jack Erjavec, Rob Thompson

Publisher:Jack Erjavec, Rob Thompson

Chapter34: Emission Control Diagnosis And Service

Section: Chapter Questions

Problem 2RQ: What will result from too little EGR flow? And what can cause a reduction in the flow?

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Concept explainers

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

What hp must be supplied to pump 2 cu. ft per sec from the lower to upper reservoir if the pump efficiency is 75%? Assume the flow is completely rough stage for old cast iron pipe (e=0.003 ft). What must be the total head of the
pump?
LEI. 150ft
El. 50ft
1000 ft
El.40ft D=8 in.
2000 f
D=6 in.

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