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Fluid Mechanics | 2nd Edition | ISBN: 9780071284219 | Authors: Yunus A. Cengel, John M. Cimbala
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A system is equipped with two pressure gages and a

Chapter 3, Problem 140P

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QUESTION:

Problem 140P

A system is equipped with two pressure gages and a manometer, as shown in Fig. P3–148. For Δh = 12 cm, determine the pressure difference

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QUESTION:

Problem 140P

A system is equipped with two pressure gages and a manometer, as shown in Fig. P3–148. For Δh = 12 cm, determine the pressure difference

ANSWER:

Solution to 140P

Step 1

We need to find the pressure difference between two pressure gages for a differential height of Δh=12 cm as given in the question.

Given data:

Specific gravity of manometer fluid=2.15

Specific gravity of oil=0.87

Differential height in manometer=0.12m

Standard density of water=1000kg/m3

Equations used:

Specific gravity of a fluid

 is the density of fluid.

 is the density of water(standard liquid)

Pressure

g=acceleration due to gravity

h=height of liquid

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