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Solved: The main waterline into a tall building has a
Chapter 1, Problem 123EUP(choose chapter or problem)
Problem 123EUP
The main waterline into a tall building has a pressure of 90 psia at 16 ft elevation below ground level. How much extra pressure does a pump need to add to ensure a waterline pressure of 30 psia at the top floor 450 ft above ground?
Questions & Answers
QUESTION:
Problem 123EUP
The main waterline into a tall building has a pressure of 90 psia at 16 ft elevation below ground level. How much extra pressure does a pump need to add to ensure a waterline pressure of 30 psia at the top floor 450 ft above ground?
ANSWER:
Solution 123 EUP
Step 1 of 3
We have to find the how much extra pressure does a pump need to add to ensure a waterline pressure of 30 psia at the top floor 450 ft above ground.
The extra pressure pump need to add can be calculated using the expression,
Where,
= exit pressure at the elevation
of 450 ft