3.58. WP readings shown here are obtained on a day when barometric pressure is 756 mm Hg. A fluid of unknown density is used in two manometers-one sealed-end, the other across an orifice in a water pipeline. The P=0 (a) (b) 7.23 m What is the pressure drop (mm Hg) from point (a) to point (b) ?
3.58. WP readings shown here are obtained on a day when barometric pressure is 756 mm Hg. A fluid of unknown density is used in two manometers-one sealed-end, the other across an orifice in a water pipeline. The P=0 (a) (b) 7.23 m What is the pressure drop (mm Hg) from point (a) to point (b) ?
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:**Problem 3.58 Explanation:**
In this problem, a fluid of unknown density is used in two types of manometers:
1. **One sealed-end manometer**:
- This is depicted on the left side.
- The atmospheric pressure (\(P_{atm}\)) acts on one side while the other side is sealed, meaning it has a pressure of zero (\(P = 0\)).
- The fluid level shows a vertical difference of 7.23 meters.
2. **Open manometer across an orifice in a water pipeline**:
- This is depicted on the right side.
- The manometer is connected to a pipeline with points labeled \((a)\) and \((b)\).
- The fluid level shows a vertical difference of 26 centimeters between points \((a)\) and \((b)\).
- A diagram illustrates the flow of water through the pipeline with arrows, indicating that the pressure at point \((a)\) is different from point \((b)\).
The problem states that the readings are obtained on a day when the barometric pressure is 756 mm Hg.
**Question:**
What is the pressure drop (in mm Hg) from point \((a)\) to point \((b)\)?
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