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A 1-mº rigid tank contains 100 kg R-134a at a temperature of 16 °C. A valve...
(4 points) A-C line Liquid R-134a A rigid container containing 6.8 kg of saturated liquid R-134a...
(4 points) A-C line Liquid R-134a A rigid container containing 6.8 kg of saturated liquid R-134a at 26°C is used to fill an air- conditioning system. A valve is opened and allows liquid R-134a to escape the tank into the A-C line until only 0.85 kg of R-134a remains in the tank, at which point the valve is closed. During the process, heat transfer is allowed to occur to maintain the tank temperature at 26 °C. What is the quality...
Two rigid tanks are connected by a valve. Initially, one tank contains 10 mº of helium...
Two rigid tanks are connected by a valve. Initially, one tank contains 10 mº of helium (He) gas at 220 kPa, 40°C? The other tank initially contains 4.0 R of neon (Ne) gas at 150 kPa, sot. Now the valve is opened, allowing the two gases to mix with each other. Heat transfer occurs during the mixing process. The final equilibrium temperature is 44'C. The specific heats of monatomic gases are independent of temperature. Determine: (a) the final volume of...
A 0.145 m rigid tank initially contains refrigerant-134a at 1 MPa and 100 percent quality. The...
A 0.145 m rigid tank initially contains refrigerant-134a at 1 MPa and 100 percent quality. The tank is connected by a valve to a supply line that carries refrigerant-134a ad.2 MPa and 36°C. Now the valre is opened, and the refrigerant is allowed to enter the tank. The valve is closed when it is observed that the tank contains saturated liquid atl.2 MPa. Determine (a) the mass of the refrigerant that has entered the tank 156.057g(Kound to three decimal places)...
SP04 A rigid, poorly insulated tank with a volume of V1.0 m3 initially contains a saturated...
SP04 A rigid, poorly insulated tank with a volume of V1.0 m3 initially contains a saturated water vapor (quality of 1.0) at a pressure of 3 bars (300 kPa). The tank is connected to a supply line containing steam at a pressure of pL- 10 bars (1000 kPa) and a temperature of TL 500°C. The valve is opened and 2.0 kg of steam enters the rigid tank, after which the valve is closed. The pressure is measured after the valve...
Arigid tank of volume 0.5 m3 is connected to a piston-cylinder assembly by a valve as...
Arigid tank of volume 0.5 m3 is connected to a piston-cylinder assembly by a valve as shown in the diagram below. Both vessels contain pure water. They are immersed in a constant- temperature bath at 200°C and 600 kPa. Consider the tank and the piston-cylinder as- sembly as the system and the constant-temperature bath as the surroundings. Initially the valve is closed, and both units are in equilibrium with the surroundings (the bath). The rigid tank contains saturated water with...
NEED HELP A rigid, poorly insulated tank with a volume of V1.0 m3 initially contains a...
NEED HELP
A rigid, poorly insulated tank with a volume of V1.0 m3 initially contains a saturated water vapor (quality of 1.0) at a pressure of 3 bars (300 kPa). The tank is connected to a supply line valve is opened and 2.0 kg of steam enters the rigid tank, after which the valve is closed. The pressure is measured after the valve is closed and it is found that p2-5 bars (500 kPa). Find (a) the state of the...
A 0.6 m3 rigid tank initially contains refrigerant-134a in saturated vapor form at 0.9 MPa ....
A 0.6 m3 rigid tank initially contains refrigerant-134a in saturated vapor form at 0.9 MPa . As a result of heat transfer from the refrigerant, the pressure drops to 240 kPa. Use TESTCalc to answer the following questions. a) Determine the final temperature (T2). b) Determine the amount of refrigerant that condenses. c) Determine the heat transfer (Q).
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...
1- A fixed mass rigid tank is filled with Refrigerant-134a. Assuming initially, R-134a is under 160...
1- A fixed mass rigid tank is filled with Refrigerant-134a. Assuming initially, R-134a is under 160 psia and saturated condition (quality, x, = 1.0). The volume of tank is 20 ft. Then it went through a process until the final pressure, P, reduced to 50 psia, and the heat transfer occurred during this process. Determine (a) the final temperature, (b) the amount of R-134a been condensed, (c) the net heat transfer. (15 points)
(4 points) A-C line Liquid R-134a A rigid container containing 6.8 kg of saturated liquid R-134a at 26°C is used to fill an air- conditioning system. A valve is opened and allows liquid R-134a to escape the tank into the A-C line until only 0.85 kg of R-134a remains in the tank, at which point the valve is closed. During the process, heat transfer is allowed to occur to maintain the tank temperature at 26 °C. What is the quality...
Two rigid tanks are connected by a valve. Initially, one tank contains 10 mº of helium (He) gas at 220 kPa, 40°C? The other tank initially contains 4.0 R of neon (Ne) gas at 150 kPa, sot. Now the valve is opened, allowing the two gases to mix with each other. Heat transfer occurs during the mixing process. The final equilibrium temperature is 44'C. The specific heats of monatomic gases are independent of temperature. Determine: (a) the final volume of...
A 0.145 m rigid tank initially contains refrigerant-134a at 1 MPa and 100 percent quality. The tank is connected by a valve to a supply line that carries refrigerant-134a ad.2 MPa and 36°C. Now the valre is opened, and the refrigerant is allowed to enter the tank. The valve is closed when it is observed that the tank contains saturated liquid atl.2 MPa. Determine (a) the mass of the refrigerant that has entered the tank 156.057g(Kound to three decimal places)...
SP04 A rigid, poorly insulated tank with a volume of V1.0 m3 initially contains a saturated water vapor (quality of 1.0) at a pressure of 3 bars (300 kPa). The tank is connected to a supply line containing steam at a pressure of pL- 10 bars (1000 kPa) and a temperature of TL 500°C. The valve is opened and 2.0 kg of steam enters the rigid tank, after which the valve is closed. The pressure is measured after the valve...
Arigid tank of volume 0.5 m3 is connected to a piston-cylinder assembly by a valve as shown in the diagram below. Both vessels contain pure water. They are immersed in a constant- temperature bath at 200°C and 600 kPa. Consider the tank and the piston-cylinder as- sembly as the system and the constant-temperature bath as the surroundings. Initially the valve is closed, and both units are in equilibrium with the surroundings (the bath). The rigid tank contains saturated water with...
NEED HELP
A rigid, poorly insulated tank with a volume of V1.0 m3 initially contains a saturated water vapor (quality of 1.0) at a pressure of 3 bars (300 kPa). The tank is connected to a supply line valve is opened and 2.0 kg of steam enters the rigid tank, after which the valve is closed. The pressure is measured after the valve is closed and it is found that p2-5 bars (500 kPa). Find (a) the state of the...
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...
1- A fixed mass rigid tank is filled with Refrigerant-134a. Assuming initially, R-134a is under 160 psia and saturated condition (quality, x, = 1.0). The volume of tank is 20 ft. Then it went through a process until the final pressure, P, reduced to 50 psia, and the heat transfer occurred during this process. Determine (a) the final temperature, (b) the amount of R-134a been condensed, (c) the net heat transfer. (15 points)
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