please solve with energy equation.Homework Answers
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please solve with energy equation.
why is there no kinetic energy ?
why is mout•h1 used...
A 0.3 m3 rigid tank is filled with saturated liquid water at 200°C. A valve at...
A 0.3 m3 rigid tank is filled with saturated liquid water at 200°C. A valve at the bottom of the tank is opened, and liquid is withdrawn from the tank. Heat is transferred to the water such that the temperature in the tank remains constant. Determine the amount of heat that must be transferred by the time 2 of the total mass has been withdrawn. a. Hint: The phase of the water when / of the mass has exited is...
A rigid tank is filled with 260 kg of saturated liquid water at 200°C. A valve...
A rigid tank is filled with 260 kg of saturated liquid water at 200°C. A valve at th bottom is opened, and liquid is withdrawn from the tank. Heat is transferred to th tank such that the temperature remains constant. Determine the amount of hea the water remains a saturated liquid the entire time and that the veloc elevation change of the water leaving is negligible. (15 pts) st be transferred by the time half the mass has been withdrawn....
A 1-mº rigid tank contains 100 kg R-134a at a temperature of 16 °C. A valve...
A 1-mº rigid tank contains 100 kg R-134a at a temperature of 16 °C. A valve on top of the tank is opened, and saturated vapor is allowed to escape through a throttle to a collector system at 100 kPa. During the process the temperature inside the tank remains at 16 °C by heat transfer from the 20 °C surroundings. The valve is closed when no more liquid remains inside the tank. Calculate the heat transfer to the tank and...
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...
Arigidtankofvolume0.5m3isconnectedtoapiston–cylinderassemblybyavalve,asshown below. Both vessels contain pure water. They are immersed in a constant-temperature bath at 200oC...
Arigidtankofvolume0.5m3isconnectedtoapiston–cylinderassemblybyavalve,asshown below. Both vessels contain pure water. They are immersed in a constant-temperature bath at 200oC and 600 kPa. Consider the tank and the piston–cylinder assembly 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 a quality of 95% (i.e., 95% of the mass of water is vapor). The piston–cylinder assembly initially has a volume...
QUESTIONS 1. Refrigerant-134a is cooled by water in a condenser. The refrigerant enters the condenser at...
QUESTIONS 1. Refrigerant-134a is cooled by water in a condenser. The refrigerant enters the condenser at a pressure of 1 MPa and a temperature of 70°C at a flow rate of 6 kg / min and exits at a temperature of 35 °C. Cooling water enters the condenser at 300 kPa pressure and 15 °C temperature and exits at 25 °C temperature. By neglecting pressure losses, Calculate; a) mass flow of cooling water b) the heat transfer from the refrigerant...
pts per question) 1. A 2 m piston cylinder device contains nitroen gas at 200 kPa...
pts per question) 1. A 2 m piston cylinder device contains nitroen gas at 200 kPa and 350K. Now heat is transferred to the nitrogen in the tank and the pressure of nitrogen rises to 900 kPa and volume is maintained at same. The boundary work done during this process is (a) 1080 kJ (b) 840 k (c)240 k 2. A heat engine receives heat from a source at 727°C and rejiects the waste heat to a sink at 27°C,...
A 0.3 m3 rigid tank is filled with saturated liquid water at 200°C. A valve at the bottom of the tank is opened, and liquid is withdrawn from the tank. Heat is transferred to the water such that the temperature in the tank remains constant. Determine the amount of heat that must be transferred by the time 2 of the total mass has been withdrawn. a. Hint: The phase of the water when / of the mass has exited is...
A rigid tank is filled with 260 kg of saturated liquid water at 200°C. A valve at th bottom is opened, and liquid is withdrawn from the tank. Heat is transferred to th tank such that the temperature remains constant. Determine the amount of hea the water remains a saturated liquid the entire time and that the veloc elevation change of the water leaving is negligible. (15 pts) st be transferred by the time half the mass has been withdrawn....
A 1-mº rigid tank contains 100 kg R-134a at a temperature of 16 °C. A valve on top of the tank is opened, and saturated vapor is allowed to escape through a throttle to a collector system at 100 kPa. During the process the temperature inside the tank remains at 16 °C by heat transfer from the 20 °C surroundings. The valve is closed when no more liquid remains inside the tank. Calculate the heat transfer to the tank and...
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...
QUESTIONS 1. Refrigerant-134a is cooled by water in a condenser. The refrigerant enters the condenser at a pressure of 1 MPa and a temperature of 70°C at a flow rate of 6 kg / min and exits at a temperature of 35 °C. Cooling water enters the condenser at 300 kPa pressure and 15 °C temperature and exits at 25 °C temperature. By neglecting pressure losses, Calculate; a) mass flow of cooling water b) the heat transfer from the refrigerant...
pts per question) 1. A 2 m piston cylinder device contains nitroen gas at 200 kPa and 350K. Now heat is transferred to the nitrogen in the tank and the pressure of nitrogen rises to 900 kPa and volume is maintained at same. The boundary work done during this process is (a) 1080 kJ (b) 840 k (c)240 k 2. A heat engine receives heat from a source at 727°C and rejiects the waste heat to a sink at 27°C,...
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