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# A system is equipped with two pressure gages and a ISBN: 9780071284219 39

## Solution for problem 140P Chapter 3

Fluid Mechanics | 2nd Edition

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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  Step-by-Step Solution:

Solution to 140P

Step 1</p>

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

Step 2</p>

The pressure increases as we go down the tube and decreases as we go upwards the tube. Thus adding the pressures in the system from P2 to P1.    is the pressure at the first gage. pressure at second gage. is the pressure at the manometer. is the pressure above oil.

Step 3 of 3

##### ISBN: 9780071284219

This full solution covers the following key subjects: pressure, gages, equipped, fig, difference. This expansive textbook survival guide covers 15 chapters, and 1547 solutions. Fluid Mechanics was written by and is associated to the ISBN: 9780071284219. The answer to “A system is equipped with two pressure gages and a manometer, as shown in Fig. P3–148. For ?h = 12 cm, determine the pressure difference” is broken down into a number of easy to follow steps, and 25 words. The full step-by-step solution to problem: 140P from chapter: 3 was answered by , our top Engineering and Tech solution expert on 07/03/17, 04:51AM. This textbook survival guide was created for the textbook: Fluid Mechanics, edition: 2. Since the solution to 140P from 3 chapter was answered, more than 358 students have viewed the full step-by-step answer.

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