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2. A rigid tank contains air at a gage pressure of 100 kPa at the surface...
Problem 03.071- Gage pressure of air A 400-L rigid tank contains 5 kg of air at...
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
A rigid tank contains 9 kg of air at 140 kPa and 20°С. More air is...
A rigid tank contains 9 kg of air at 140 kPa and 20°С. More air is added to the tank until the pressure and temperature rise to 250 kPa and 30°C, respectively. Determine the amount of air added to the tank. Answer: 6.54 kg
A 2.2-m3 rigid tank initially contains air at 100 kPa and 22°C. The tank is connected...
A 2.2-m3 rigid tank initially contains air at 100 kPa and 22°C. The tank is connected to a supply line through a valve. Air is flowing in the supply line at 600 kPa and 22°C. The valve is opened, and air is allowed to enter the tank until the pressure in the tank reaches the line pressure, at which point the valve is closed. A thermometer placed in the tank indicates that the air temperature at the final state is...
4) Volume 2.5 m^3 air in a rigid tank with initial pressure 100 kPa and temperature...
4) Volume 2.5 m^3 air in a rigid tank with initial pressure 100 kPa and temperature 25°C There. It is applied to the tank feed line by a valve. Pressure of air flowing through the supply line 600 kPa and temperature is 25°C. By opening the valve, the pressure of the air in the tank is air entering the tank until it is equal to the pressure of the air It is closed. A thermometer placed in the tank lasts...
. A small rigid vessel contains air and is fitted with a pressure gage. When the vessel is outside where the temperature is 100 F, the pressure gage reads 17.4 psig. When the vessel is placed in the...
. A small rigid vessel contains air and is fitted with a pressure gage. When the vessel is outside where the temperature is 100 F, the pressure gage reads 17.4 psig. When the vessel is placed in the freezer, the pressure gage reads 10.8 psig. What is the temperature in the freezer? a. -15 F b. 0F d. 7 F
. A small rigid vessel contains air and is fitted with a pressure gage. When the vessel is outside where...
12) A scuba tank contains an air at 300 kPa and 600 K. Half of the...
12) A scuba tank contains an air at 300 kPa and 600 K. Half of the air is withdrawn from the tank leaving the tank at a pressure of 100 kPa. Assuming no heat transfer, what is the temperature of the gas when the process is complete? (a) 100 K (b) 200 K (c) 300 K (d) 400 K (e) 500 K 13) A 0.6875 cubic meter rigid tank contains 0.5 kg of steam at 0.4 Mpa. The steam is...
12) A scuba tank contains an air at 300 kPa and 600 K. Half of the...
12) A scuba tank contains an air at 300 kPa and 600 K. Half of the air is withdrawn from the tank leaving the tank at a pressure of 100 kPa. Assuming no heat transfer, what is the temperature of the gas when the process is complete? (a) 100 K (b) 200 K (c) 300 K (d) 400 K (e) 500 K 13) A 0.6875 cubic meter rigid tank contains 0.5 kg of steam at 0.4 Mpa. The steam is...
An insulated 1.7 m3 rigid tank contains air at 500 kPa and 50oC. A valve connected...
An insulated 1.7 m3 rigid tank contains air at 500 kPa and 50oC. A valve connected to the tank is now opened and air is allowed to escape until the pressure inside drops to 200 kPa. The air temperature during this process is maintained constant by an electric resistance heater placed in the tank. a. Determine the mass of air initially, m1 in kg. b. How much air escaped from the tank, mout in kg. c. Determine the electrical work...
1. A rigid (constant volume) tank sealed by a valve initially contains 100 kg of air...
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...
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. Th...
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...
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
A rigid tank contains 9 kg of air at 140 kPa and 20°С. More air is added to the tank until the pressure and temperature rise to 250 kPa and 30°C, respectively. Determine the amount of air added to the tank. Answer: 6.54 kg
A 2.2-m3 rigid tank initially contains air at 100 kPa and 22°C. The tank is connected to a supply line through a valve. Air is flowing in the supply line at 600 kPa and 22°C. The valve is opened, and air is allowed to enter the tank until the pressure in the tank reaches the line pressure, at which point the valve is closed. A thermometer placed in the tank indicates that the air temperature at the final state is...
4) Volume 2.5 m^3 air in a rigid tank with initial pressure 100 kPa and temperature 25°C There. It is applied to the tank feed line by a valve. Pressure of air flowing through the supply line 600 kPa and temperature is 25°C. By opening the valve, the pressure of the air in the tank is air entering the tank until it is equal to the pressure of the air It is closed. A thermometer placed in the tank lasts...
. A small rigid vessel contains air and is fitted with a pressure gage. When the vessel is outside where the temperature is 100 F, the pressure gage reads 17.4 psig. When the vessel is placed in the freezer, the pressure gage reads 10.8 psig. What is the temperature in the freezer? a. -15 F b. 0F d. 7 F
. A small rigid vessel contains air and is fitted with a pressure gage. When the vessel is outside where...
12) A scuba tank contains an air at 300 kPa and 600 K. Half of the air is withdrawn from the tank leaving the tank at a pressure of 100 kPa. Assuming no heat transfer, what is the temperature of the gas when the process is complete? (a) 100 K (b) 200 K (c) 300 K (d) 400 K (e) 500 K 13) A 0.6875 cubic meter rigid tank contains 0.5 kg of steam at 0.4 Mpa. The steam is...
12) A scuba tank contains an air at 300 kPa and 600 K. Half of the air is withdrawn from the tank leaving the tank at a pressure of 100 kPa. Assuming no heat transfer, what is the temperature of the gas when the process is complete? (a) 100 K (b) 200 K (c) 300 K (d) 400 K (e) 500 K 13) A 0.6875 cubic meter rigid tank contains 0.5 kg of steam at 0.4 Mpa. The steam is...
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...
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...
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