Consider the three pipes shown below in cross section. From left to right, they contain water, mercury, and gasoline. All pipes are open to the atmosphere whose temperature is 68°F. There is no flow, and all pipes are horizontal with a centerline elevation at z = 0 ft. The water rises to Zw=10.0 ft; the mercury rises to zw = 1.00 ft; the gasoline rises to zw = 10.0 ft. Part A What is the gage pressure in the most highly pressurized pipe? [lb/A²] Part B Now consider the modified picture below. The fluids, pipes, elevations and temperature are all the same as in Part A, but now the top of each tube is sealed. There is no air in the system, so only water vapor exists above the water surface, only mercury vapor above the mercury surface, and only gasoline vapor above the gasoline surface. What is the absolute pressure in the most highly pressurized pipe? [lb/ft2] Hint: Use the Fluid Properties Tables on Canvas (Week 1).

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Consider the three pipes shown below in cross section. From left to right, they contain water,
mercury, and gasoline. All pipes are open to the atmosphere whose temperature is 68°F. There is
no flow, and all pipes are horizontal with a centerline elevation at z = 0 ft. The water rises to
Zw=10.0 ft; the mercury rises to zw= 1.00 ft; the gasoline rises to zw = 10.0 ft.
Part A
What is the gage pressure in the most highly pressurized pipe? [lb/ft²]
Part B
Now consider the modified picture below. The fluids, pipes, elevations and temperature are all
the same as in Part A, but now the top of each tube is sealed. There is no air in the system, so
only water vapor exists above the water surface, only mercury vapor above the mercury surface,
and only gasoline vapor above the gasoline surface. What is the absolute pressure in the most
highly pressurized pipe? [lb/ft2] Hint: Use the Fluid Properties Tables on Canvas (Week 1).
Transcribed Image Text:Consider the three pipes shown below in cross section. From left to right, they contain water, mercury, and gasoline. All pipes are open to the atmosphere whose temperature is 68°F. There is no flow, and all pipes are horizontal with a centerline elevation at z = 0 ft. The water rises to Zw=10.0 ft; the mercury rises to zw= 1.00 ft; the gasoline rises to zw = 10.0 ft. Part A What is the gage pressure in the most highly pressurized pipe? [lb/ft²] Part B Now consider the modified picture below. The fluids, pipes, elevations and temperature are all the same as in Part A, but now the top of each tube is sealed. There is no air in the system, so only water vapor exists above the water surface, only mercury vapor above the mercury surface, and only gasoline vapor above the gasoline surface. What is the absolute pressure in the most highly pressurized pipe? [lb/ft2] Hint: Use the Fluid Properties Tables on Canvas (Week 1).
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