Answered: The pressure of the natural gas…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The pressure of the natural gas installation is as follows.
As you can see, mercury (mercury), oil (oil) and water (water) fluids
It is measured with a manometer. Open end of the manometer (X + 85)
It is under the influence of kPa ambient pressure. The relative content of mercury and oil (relative to water)
density (SG) and density of water (ρwater = 997 kg / m3
) is known.
Determine the absolute pressure in the installation (X=00)

Oil
SG=0,69
2 cm
Natural
Gas
10 cm
25 cm
6 cm
`Mercury
SG= 13.6
Water

Expert Solution

Step 1

Let $P_{N G (A)}$ be the absolute pressure of natural gas in the installation.

Given fluid in the manometer: For mercury: density, $ρ_{m} = 13.6 \times 997 (k g / m^{3}) = 13559.2 (k g / m^{3})$ ;

For oil of specific gravity = 0.69; $ρ_{o} = 0.69 \times 997 (k g / m^{3}) = 687.93 (k g / m^{3})$

For water, $ρ_{w} = 997 (k g / m^{3})$

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