For the differential manometer shown in the figure below, calculate the quantity Pᴀ - Pʙ in psi.  The gauge fluid has a specific gravity of 0.7. Be sure to report the correct sign (i.e. if the pressure at A is larger than the pressure at B then the quantity Pᴀ - Pʙ will be positive).

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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For the differential manometer shown in the figure below, calculate the quantity Pᴀ - Pʙ in psi.  The gauge fluid has a specific gravity of 0.7. Be sure to report the correct sign (i.e. if the pressure at A is larger than the pressure at B then the quantity Pᴀ - Pʙ will be positive).

**U-Tube Manometer Diagram: Understanding Pressure Measurement**

This image illustrates a U-tube manometer, a device used for measuring pressure differences between two points. The manometer consists of a U-shaped tube with two open ends, designated as Point 1 and Point 2.

**Key Components:**

1. **Gauge Fluid:** The red-colored liquid in the diagram represents the gauge fluid. This fluid is used to assess pressure differences based on its movement within the tube.

2. **Water:** The blue-colored liquid indicates water, serving as the reference fluid. 

**Measurements:**

- The vertical distance between the water level and the gauge fluid at Point 1 measures 5.00 inches.
- At Point 2, the vertical distance is 6.00 inches. 

**Functionality:**

The U-tube manometer works by comparing the height of the gauge fluid on either side of the tube. The difference in height between the two sides is an indication of the pressure difference between the two points. The higher column of fluid corresponds to a lower pressure, whereas a lower column of fluid corresponds to a higher pressure.

In educational settings, this diagram helps students visually grasp the fundamentals of fluid dynamics and pressure measurement using a simple yet effective apparatus.
Transcribed Image Text:**U-Tube Manometer Diagram: Understanding Pressure Measurement** This image illustrates a U-tube manometer, a device used for measuring pressure differences between two points. The manometer consists of a U-shaped tube with two open ends, designated as Point 1 and Point 2. **Key Components:** 1. **Gauge Fluid:** The red-colored liquid in the diagram represents the gauge fluid. This fluid is used to assess pressure differences based on its movement within the tube. 2. **Water:** The blue-colored liquid indicates water, serving as the reference fluid. **Measurements:** - The vertical distance between the water level and the gauge fluid at Point 1 measures 5.00 inches. - At Point 2, the vertical distance is 6.00 inches. **Functionality:** The U-tube manometer works by comparing the height of the gauge fluid on either side of the tube. The difference in height between the two sides is an indication of the pressure difference between the two points. The higher column of fluid corresponds to a lower pressure, whereas a lower column of fluid corresponds to a higher pressure. In educational settings, this diagram helps students visually grasp the fundamentals of fluid dynamics and pressure measurement using a simple yet effective apparatus.
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