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Question Number 1 (25 Marks) A mass of 0.5 kg of ammonia is contained in a...
Thermodynamics 5. 0.5kg of ammonia is contained in a piston-cylinder assembly, initially at Ti-20°C and a...
Thermodynamics
5. 0.5kg of ammonia is contained in a piston-cylinder assembly, initially at Ti-20°C and a quality of 25%. As the ammonia is slowly heated to a final state, where T2 20°C, P2 = 0.6MPa, its pressure varies linearly with specific volume. For the ammonia, (a) show the process on a P o diagram and (b) evaluate the work and heat transfer, each in kJ.
A piston–cylinder assembly contains ammonia, initially at a temperature of -20°C and a quality of 40%....
A piston–cylinder assembly contains ammonia, initially at a temperature of -20°C and a quality of 40%. The ammonia is slowly heated to a final state where the pressure is 6 bar and the temperature is 100°C. While the ammonia is heated, its pressure varies linearly with specific volume. For the ammonia, determine the work and heat transfer, each in kJ/kg.
A piston-cylinder assembly contains ammonia, initially at a temperature of -20°C and a quality of 70%....
A piston-cylinder assembly contains ammonia, initially at a temperature of -20°C and a quality of 70%. The ammonia is slowly heated to a final state where the pressure is 6 bar and the temperature is 160°C. While the ammonia is heated, its pressure varies linearly with specific volume. For the ammonia, determine the work and heat transfer, each in kJ/kg.
1. A saturated water liquid-vapor mixture with a total mass of 1.3 kg is contained in...
1. A saturated water liquid-vapor mixture with a total mass of 1.3 kg is contained in a piston-cylinder assembly, with the piston initially placed so that the volume of the mix- ture is 1.5 m. The initial temperature of the mixture is 30°C. The piston is then pushed inward until the volume is halved, and the container is heated until the pressure is 400 kPa. Determine Sherleader 306 V Tup V 400 kPa (a) the quality of the mixture for...
Problem 3.017 SI Ammonia contained in a closed, rigid tank is heated from an initial saturated...
Problem 3.017 SI Ammonia contained in a closed, rigid tank is heated from an initial saturated vapor state at temperature Ti-20°C to the final temperature, T2 = 60°C. Determine the final pressure, in bar. bar the tolerance is +/-2%
1.Argon contained in a closed, rigid tank, initially at 62.3°C, 3.9 bar, and a volume of...
1.Argon contained in a closed, rigid tank, initially at 62.3°C, 3.9 bar, and a volume of 4.2 m3, is heated to a final pressure of 9.4 bar. Assuming the ideal gas model with k = 1.6 for the argon, determine the heat transfer, in kJ. 2.Water vapor contained in a piston–cylinder assembly undergoes an isothermal expansion at 223°C from a pressure of 5.4 bar to a pressure of 1.9 bar. Evaluate the work, in kJ/kg. 3.A mass of 4 kilograms...
1.Water vapor contained in a piston–cylinder assembly undergoes an isothermal expansion at 277°C from a pressure...
1.Water vapor contained in a piston–cylinder assembly undergoes an isothermal expansion at 277°C from a pressure of 5.1 bar to a pressure of 2.7 bar. Evaluate the work, in kJ/kg. 2.Nitrogen (N2) contained in a piston–cylinder arrangement, initially at 9.3 bar and 437 K, undergoes an expansion to a final temperature of 300 K, during which the pressure–volume relationship is pV1.1 = constant. Assuming the ideal gas model for the N2, determine the heat transfer in kJ/kg. 3.Argon contained in...
A mass of 5.5 kg of saturated liquid-vapor mixture of water is contained in a piston-cylinder...
A mass of 5.5 kg of saturated liquid-vapor mixture of water is contained in a piston-cylinder at 101.325 kPa. Initially, 2.3 kg of the water is in the liquid phase and the rest is in the vapor phase. Heat is now transferred to the water, and the piston, which is resting on a set of stops, starts moving when the pressure inside reaches 300 kPa. Heat transfer continues until the total volume increases by 21 percent. Determine: a) the initial...
Answer: W/m=20.94kJ/kg Q/m=1705 kJ/kg Applying the Energy Balance Referring to Fig. P3.71, water contained in a...
Answer: W/m=20.94kJ/kg
Q/m=1705 kJ/kg
Applying the Energy Balance Referring to Fig. P3.71, water contained in a piston-cylinder assembly, initially at 1.5 bar and a quality of 20%, is heated at constant pressure until the piston hits the stops. Heating then continues until the water is saturated vapor. Show the processes of the water in series on a sketch of the 7-vdiagram. For the overall process of the water, evaluate the work and heat transfer, each in kJ/kg. Kinetic and potential...
PLEASE SHOW ALL WORK! PROBLEM 4 Ammonia is heated in a closed, rigid container of volume...
PLEASE SHOW ALL WORK!
PROBLEM 4 Ammonia is heated in a closed, rigid container of volume 2 m'. It is initially a saturated vapor at 2°C and heated to a final temperature of 20°C. Determine the following: (a) Initial and final mass of the system of ammonia (b) Specific volume and pressure for initial state (state 1) (c) Specific volume and pressure for final state (state 2) (d) Show states 1 and 2 on a P-v diagram. (Clearly label the...
Thermodynamics
5. 0.5kg of ammonia is contained in a piston-cylinder assembly, initially at Ti-20°C and a quality of 25%. As the ammonia is slowly heated to a final state, where T2 20°C, P2 = 0.6MPa, its pressure varies linearly with specific volume. For the ammonia, (a) show the process on a P o diagram and (b) evaluate the work and heat transfer, each in kJ.
A piston-cylinder assembly contains ammonia, initially at a temperature of -20°C and a quality of 70%. The ammonia is slowly heated to a final state where the pressure is 6 bar and the temperature is 160°C. While the ammonia is heated, its pressure varies linearly with specific volume. For the ammonia, determine the work and heat transfer, each in kJ/kg.
1. A saturated water liquid-vapor mixture with a total mass of 1.3 kg is contained in a piston-cylinder assembly, with the piston initially placed so that the volume of the mix- ture is 1.5 m. The initial temperature of the mixture is 30°C. The piston is then pushed inward until the volume is halved, and the container is heated until the pressure is 400 kPa. Determine Sherleader 306 V Tup V 400 kPa (a) the quality of the mixture for...
Problem 3.017 SI Ammonia contained in a closed, rigid tank is heated from an initial saturated vapor state at temperature Ti-20°C to the final temperature, T2 = 60°C. Determine the final pressure, in bar. bar the tolerance is +/-2%
Answer: W/m=20.94kJ/kg
Q/m=1705 kJ/kg
Applying the Energy Balance Referring to Fig. P3.71, water contained in a piston-cylinder assembly, initially at 1.5 bar and a quality of 20%, is heated at constant pressure until the piston hits the stops. Heating then continues until the water is saturated vapor. Show the processes of the water in series on a sketch of the 7-vdiagram. For the overall process of the water, evaluate the work and heat transfer, each in kJ/kg. Kinetic and potential...
PLEASE SHOW ALL WORK!
PROBLEM 4 Ammonia is heated in a closed, rigid container of volume 2 m'. It is initially a saturated vapor at 2°C and heated to a final temperature of 20°C. Determine the following: (a) Initial and final mass of the system of ammonia (b) Specific volume and pressure for initial state (state 1) (c) Specific volume and pressure for final state (state 2) (d) Show states 1 and 2 on a P-v diagram. (Clearly label the...
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