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Problem 3 Consider a container divided by a partition into two chambers. The...
Problem 3 Ten kilograms of refrigerant-134a fill a weighted piston-cylinder container with the volume of 1.595...
Problem 3 Ten kilograms of refrigerant-134a fill a weighted piston-cylinder container with the volume of 1.595 mat a temperature of -26 C. The container is now heated until the temperature is 90 'C. Determine the final volume of the refrigerant-134a. R-134a -26°C 10 kg 1.595 m3
Problem 3: A 9-m container is filled with 300 kg of R-134a at 10°C. What is...
Problem 3: A 9-m container is filled with 300 kg of R-134a at 10°C. What is the specific enthalpy of the R-134a in the container? Problem 4: a piston-cylinder device contains 0.6 kg of steam at 200 Cand 0.5 MPa. Steam is cooled at constant pressure until one-half of the mass condenses. Show the process on a T-v diagram b) a) Find the final temperature c) Determine the volume change Problem 5:10 kg of R-134a at 320 kPa fills a...
A piston-cylinder contains 0.1 kg of water at 1000 kPa and 500 o C. The water is...
A piston-cylinder contains 0.1 kg of water at 1000 kPa and 500 o C. The water is now cooled with a constant force on the piston until it reaches half the initial volume. After it cools to 25 oC while the piston is against the stops. Find the final water pressure (in kPa) and the work in the overall process (in kJ).
A tank whose volume is unknown is divided into two parts by a partition. One side...
A tank whose volume is unknown is divided into two parts by a partition. One side of the tank contains 0.017 m of refrigerant-134a that is a saturated liquid at 0.95 MPa, while the other side is evacuated. The partition is now removed, and the refrigerant fills the entire tank. If the final state of the refrigerant is 20°C and 400 kPa, determine the volume of the tank. Round your answer to three decimal places. VFI R-134a V 0.017 m...
Consider the piston/cylinder arrangement shown in Fig1. A frictionless piston is free to move between two...
Consider the piston/cylinder arrangement shown in Fig1. A
frictionless piston is free to move between two sets of stops. When
3 the piston rests on the lower stops, the enclosed volume is 0.5
m3. When the piston reaches the upper stops, the volume is 0.8 m .
The cylinder initially contains water at 200 kPa, 60% quality. The
mass of the piston requires 600 kPa pressure to move it against the
outside ambient pressure.
a) When heat is transferred until...
9.4 kg of R-134a fill a O.7-m weighted piston-cylinder device at a pressure of 200 kPa. The container is now heated...
9.4 kg of R-134a fill a O.7-m weighted piston-cylinder device at a pressure of 200 kPa. The container is now heated until the temperature is 30°C. Determine the initial temperature and final volume of R-134a. Use data from the steam tables. The initial temperature is [ °C. ]m3 The final volume is
9.4 kg of R-134a fill a O.7-m weighted piston-cylinder device at a pressure of 200 kPa. The container is now heated until the temperature is 30°C. Determine the...
1-A piston-cylinder device with a set of stops contains 10 kg of refrigerant-134a. Initially, 8 kg...
1-A piston-cylinder device with a set of stops contains 10 kg of refrigerant-134a. Initially, 8 kg of the refrigerant is in the liquid form, and the temperature is 8°C. Now heat is transferred slowly to the refrigerant until the piston hits the stops, at which point the volume is 400 L. Determine (a) The temperature when the piston first hits the stops and (b) The work done during this expansion process. Also, show the process on a P-V diagram.
Problem 5 A piston-cylinder device, shown below, with a set of stops contains 5 kg of...
Problem 5 A piston-cylinder device, shown below, with a set of stops contains 5 kg of Refrigerant-22. Initially 4 kg of the refrigerant is in the liquid state, and the temperature is -10 C. Now heat is transferred slowly to the refrigerant until it hits the stops, at which point the volume is 200 liters. Determine a) The temperature when the piston first hits the stops b) The work done during this process c) Show this process on a P-v...
Homework 2 Problem 1: A piston-cylinder device initially contains 0.35-kg steam at 3.5 MPa, superheated by...
Homework 2 Problem 1: A piston-cylinder device initially contains 0.35-kg steam at 3.5 MPa, superheated by 7.4 C. Now the stream loses heat to the surroundings and the piston moves down, hitting a set of stops at which point the cylinder contains saturated liquid water. The cooling continues until the cylinder contains water at 200C. Determine (a) the final pressure and the quality (if mixture), (b) the boundary work, (c) the amount of heat transfer when the piston first hits...
1. Fill in the following table for R-134A: T(°F) P (psia) h (Btu/Ibm) Phase 70 150...
1. Fill in the following table for R-134A: T(°F) P (psia) h (Btu/Ibm) Phase 70 150 70 Sat Liquid 108.8 2. What is the pressure inside a 420 L container if it contains 8.5 kg of air at 25 °C? The atmospheric pressure for that day is 97 kPa. 3. 1.8 kg of Nitrogen fills a piston chamber with a volume of 0.038 m’ at 560 kPa gauge. The piston is then moved so that the volume doubles. The chamber...
Problem 3 Ten kilograms of refrigerant-134a fill a weighted piston-cylinder container with the volume of 1.595 mat a temperature of -26 C. The container is now heated until the temperature is 90 'C. Determine the final volume of the refrigerant-134a. R-134a -26°C 10 kg 1.595 m3
Problem 3: A 9-m container is filled with 300 kg of R-134a at 10°C. What is the specific enthalpy of the R-134a in the container? Problem 4: a piston-cylinder device contains 0.6 kg of steam at 200 Cand 0.5 MPa. Steam is cooled at constant pressure until one-half of the mass condenses. Show the process on a T-v diagram b) a) Find the final temperature c) Determine the volume change Problem 5:10 kg of R-134a at 320 kPa fills a...
A tank whose volume is unknown is divided into two parts by a partition. One side of the tank contains 0.017 m of refrigerant-134a that is a saturated liquid at 0.95 MPa, while the other side is evacuated. The partition is now removed, and the refrigerant fills the entire tank. If the final state of the refrigerant is 20°C and 400 kPa, determine the volume of the tank. Round your answer to three decimal places. VFI R-134a V 0.017 m...
Consider the piston/cylinder arrangement shown in Fig1. A
frictionless piston is free to move between two sets of stops. When
3 the piston rests on the lower stops, the enclosed volume is 0.5
m3. When the piston reaches the upper stops, the volume is 0.8 m .
The cylinder initially contains water at 200 kPa, 60% quality. The
mass of the piston requires 600 kPa pressure to move it against the
outside ambient pressure.
a) When heat is transferred until...
9.4 kg of R-134a fill a O.7-m weighted piston-cylinder device at a pressure of 200 kPa. The container is now heated until the temperature is 30°C. Determine the initial temperature and final volume of R-134a. Use data from the steam tables. The initial temperature is [ °C. ]m3 The final volume is
9.4 kg of R-134a fill a O.7-m weighted piston-cylinder device at a pressure of 200 kPa. The container is now heated until the temperature is 30°C. Determine the...
1-A piston-cylinder device with a set of stops contains 10 kg of refrigerant-134a. Initially, 8 kg of the refrigerant is in the liquid form, and the temperature is 8°C. Now heat is transferred slowly to the refrigerant until the piston hits the stops, at which point the volume is 400 L. Determine (a) The temperature when the piston first hits the stops and (b) The work done during this expansion process. Also, show the process on a P-V diagram.
Problem 5 A piston-cylinder device, shown below, with a set of stops contains 5 kg of Refrigerant-22. Initially 4 kg of the refrigerant is in the liquid state, and the temperature is -10 C. Now heat is transferred slowly to the refrigerant until it hits the stops, at which point the volume is 200 liters. Determine a) The temperature when the piston first hits the stops b) The work done during this process c) Show this process on a P-v...
Homework 2 Problem 1: A piston-cylinder device initially contains 0.35-kg steam at 3.5 MPa, superheated by 7.4 C. Now the stream loses heat to the surroundings and the piston moves down, hitting a set of stops at which point the cylinder contains saturated liquid water. The cooling continues until the cylinder contains water at 200C. Determine (a) the final pressure and the quality (if mixture), (b) the boundary work, (c) the amount of heat transfer when the piston first hits...
1. Fill in the following table for R-134A: T(°F) P (psia) h (Btu/Ibm) Phase 70 150 70 Sat Liquid 108.8 2. What is the pressure inside a 420 L container if it contains 8.5 kg of air at 25 °C? The atmospheric pressure for that day is 97 kPa. 3. 1.8 kg of Nitrogen fills a piston chamber with a volume of 0.038 m’ at 560 kPa gauge. The piston is then moved so that the volume doubles. The chamber...
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