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The tank is closed Atmospheric pressure FIND GAUGE PRESSURE ON "PRESSURE GAGE" Closed valve Air pressure...
Problem 03.071- Gage pressure of air A 400-L rigid tank contains 5 kg of air at 25°C. Determine the reading on the pressure gage if the atmospheric pressure is 97.5 kPa. The gas constant of air is R 0.287 kPa-m /kg-K. 3 The gage pressure iskPa
8. The figure shows a tank within a tank, each containing air. Pressure gage A, which indicates pressure inside tank A, is located inside tank B and reads 5 psig (vacuum). The U-tube Pa 14.7 psia Tank B manometer connected to tank B contains water with a column length of 10 in. Using the data shown on the figure, determine the absolute pressure of the air inside tank B and inside tank A, both in psia. The atmospheric pressure surrounding...
1. A rigid (constant volume) tank sealed by a valve initially contains 100 kg of air at a pressure of 100 kPa and 300 K. At time t = 0, the valve for the air tank is opened in a controlled manner and air leaks out isothermally (constant temperature) of the tank at a constant mass flow rate of 1 kg/s. The valve is closed after 75 seconds. Answer the following questions: Assuming air is an ideal gas, what is...
2. A rigid tank contains air at a gage pressure of 100 kPa at the surface of a lake. How deep would the tank have to be submerged for the gage pressure to be 0 kPa? a. The gage pressure would not change b. The gage pressure would rise as the tank is submerged c. 8.7 m d. 10.2 m
6 point A compressed air in a tank is at a gage pressure of 60 in of Mercury (Y=846 Ibtit). Determine the absolute pressure (psial of the air in the tank when atmospheric pressure is 14.7 ptia. Moving to another question will save this response
7.24 A pump is used to pressurize air in a tank to 300 kPa abs. e tank has a diameter of 2 m and a height of 4 m. The initial level of water in the tank is 1 m, and the initial pressure at the tank water surface is 0 kPa gage. The atmospheric pressure is 100 kPa. The pump provides a constant head of 50 m. The water is drawn from a reservoir that is 4 m below...
The figure shows a cylindrical tank of 80 em in diameter which is fully filled with water. In order to increase the flow from the tank to the exit pipe on the left, an additional pressure is applied to the water surface by an air compressor to supply air to the upper air chamber of the tank. The external walls of the tank are exposed to the atmospheric conditions of the area. You are required to determine the hydrostatic conditions...
1-78 Th Fi e gage pressure of the air in the tank shown in g. Pl-78 is measured to be 80 kPa. Determine the differen- tial height h of the mercury column. Oil SG 0.72 80 kPa 75 cm Water Air 30 cm Mercury SG 13.6 FIGURE P1-78
5. If you put air in your tires in La Paz, Bolivia, and your pressure gauge is reading 25 psig, what is the absolute pressure inside the tire, in psia? (The standard atmospheric pressure in La Paz is about 62 kPa!) Answer: between 30 and 35 psia. 2. A manometer like the one we drew in class has water in the column. The side that is open to standard atmospheric pressure is 20 cm lower than the side open to...