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Fundamentals of Thermodynamcs | 8th Edition | ISBN: 9781118131992 | Authors: Claus Borgnakke, Richard E. Sonntag
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Solved: The density of mercury changes approximately

Chapter 1, Problem 127EUP

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QUESTION:

Problem 127EUP

The density of mercury changes approximately linearly with temperature as ρHg =851.5−0.086 T lbm/ ft3 (T in degrees Fahrenheit), so the same pressure difference will result in a manometer reading that is influenced by temperature. If a pressure difference of 14.7 lbf/in.2 is measured in the summer at 95 F and in the winter at 5 F, what is the difference in column height between the two measurements?

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QUESTION:

Problem 127EUP

The density of mercury changes approximately linearly with temperature as ρHg =851.5−0.086 T lbm/ ft3 (T in degrees Fahrenheit), so the same pressure difference will result in a manometer reading that is influenced by temperature. If a pressure difference of 14.7 lbf/in.2 is measured in the summer at 95 F and in the winter at 5 F, what is the difference in column height between the two measurements?

ANSWER:

Solution 127EUP

Step 1 of 3

We are required to calculate the column height difference of the two given measurements.

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