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Questions and Answers
What is the head pressure exerted by 10 ft of a liquid with a specific gravity of 1.3 in an open tank?
What is the head pressure exerted by 10 ft of a liquid with a specific gravity of 1.3 in an open tank?
- 2.87 psi
- 4.30 psi
- 5.69 psi (correct)
- 3.00 psi
How much total pressure is exerted by 12 ft of liquid with a specific gravity of 0.9 and 7 psi of nitrogen pressure in a closed vessel?
How much total pressure is exerted by 12 ft of liquid with a specific gravity of 0.9 and 7 psi of nitrogen pressure in a closed vessel?
- 10.8 psi
- 12.5 psi
- 15.0 psi
- 11.6 psi (correct)
What does a pressure gauge read located 5 ft from the bottom of an open tank with 15 ft of liquid with a specific gravity of 1.1?
What does a pressure gauge read located 5 ft from the bottom of an open tank with 15 ft of liquid with a specific gravity of 1.1?
- 1.5 psi (correct)
- 2.5 psi
- 1.2 psi
- 4.7 psi
How much head pressure is exerted by 7 ft of a liquid with a specific gravity of 1.5 in an open tank?
How much head pressure is exerted by 7 ft of a liquid with a specific gravity of 1.5 in an open tank?
How much total pressure is produced by 15 ft of liquid with a specific gravity of 0.95 and 10 psi of nitrogen pressure in a closed vessel?
How much total pressure is produced by 15 ft of liquid with a specific gravity of 0.95 and 10 psi of nitrogen pressure in a closed vessel?
What does the pressure gauge read if it is located 2 ft from the bottom of an open tank containing 8 ft of liquid with a specific gravity of 1.3?
What does the pressure gauge read if it is located 2 ft from the bottom of an open tank containing 8 ft of liquid with a specific gravity of 1.3?
How much head pressure is exerted by 20 ft of liquid with a specific gravity of 0.7 in an open tank?
How much head pressure is exerted by 20 ft of liquid with a specific gravity of 0.7 in an open tank?
How much head pressure is exerted by 5 ft of liquid with a specific gravity of 1.0 in an open tank?
How much head pressure is exerted by 5 ft of liquid with a specific gravity of 1.0 in an open tank?
What is the pressure exerted by 8 ft of liquid with a specific gravity of 1.2 and 6 psi of nitrogen pressure in a closed vessel?
What is the pressure exerted by 8 ft of liquid with a specific gravity of 1.2 and 6 psi of nitrogen pressure in a closed vessel?
How much head pressure is exerted by 4 ft of liquid with a specific gravity of 1.4 in an open tank?
How much head pressure is exerted by 4 ft of liquid with a specific gravity of 1.4 in an open tank?
Flashcards
Head pressure (10ft, SG 1.3)
Head pressure (10ft, SG 1.3)
The pressure exerted by 10ft of a liquid with a specific gravity of 1.3 in an open tank.
Total pressure (12ft, SG 0.9, 7psi)
Total pressure (12ft, SG 0.9, 7psi)
The total pressure exerted by 12 feet of liquid with specific gravity of 0.9 and 7 psi of nitrogen pressure in a closed vessel.
Gauge pressure (5ft, 15ft, SG 1.1)
Gauge pressure (5ft, 15ft, SG 1.1)
The pressure reading on a gauge located 5 ft from the bottom of an open tank containing 15 ft of liquid with a specific gravity of 1.1.
Head pressure (7ft, SG 1.5)
Head pressure (7ft, SG 1.5)
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Total pressure (15ft, SG 0.95, 10psi)
Total pressure (15ft, SG 0.95, 10psi)
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Gauge pressure (2ft, 8ft, SG 1.3)
Gauge pressure (2ft, 8ft, SG 1.3)
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Head pressure (20ft, SG 0.7)
Head pressure (20ft, SG 0.7)
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Head pressure (5ft, SG 1.0)
Head pressure (5ft, SG 1.0)
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Total pressure (8ft, SG 1.2, 6psi)
Total pressure (8ft, SG 1.2, 6psi)
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Head pressure (4ft, SG 1.4)
Head pressure (4ft, SG 1.4)
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Study Notes
Head Pressure in Open Tank (Height x Specific Gravity)
- Head pressure is the pressure exerted by a column of liquid due to its height and specific gravity.
- Formula for head pressure = Height x Specific Gravity
- Example: 10 ft of liquid with specific gravity = 1.3 exerts a head pressure of 130 ft.
Head Pressure in Closed Vessel with Added Pressure
- Total pressure in a closed vessel is the sum of head pressure and added pressure.
- Added pressure is typically from a gas like nitrogen.
- Example: 12 ft of liquid with specific gravity = 0.9 and 7 psi of nitrogen pressure results in a total pressure of 13.35 psi.
Pressure Gauge in Open Tank
- Pressure gauge reads the pressure at its location in the tank, not the total pressure.
- The pressure gauge reading is the head pressure exerted by the liquid above the gauge.
- Example: Gauge 3 ft from the bottom of a 9 ft tank with specific gravity = 1.0 has a reading of 2.7 psi.
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Description
This quiz explores concepts of head pressure in open tanks and closed vessels, including the influence of specific gravity and added pressures. It covers the calculation of pressure in different scenarios and the function of pressure gauges. Test your understanding of how fluid pressure is calculated!
