![Page 1: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/1.jpg)
Fluid Mechanics and ThermodynamicsWeekly Assessed Tutorial Sheets,
Student Sheets: WATS 4.
The WATS approach to assessment was developed as part of an LTSN Engineering Mini-Project, funded at the University of Hertfordshire which aimed to develop a set of 'student unique' tutorial sheets to actively encourage and improve student participation within a first year first ‘fluid mechanics and thermodynamics’ module. Please see the accompanying Mini-Project Report “Improving student success and retention through greater participation and tackling student-unique tutorial sheets” for more information.
The WATS cover core Fluid Mechanics and Thermodynamics topics at first year undergraduate level. 11 tutorial sheets and their worked solutions are provided here for you to utilise in your teaching. The variables within each question can be altered so that each student answers the same question but will need to produce a unique solution.
FURTHER INFORMATION
Please see http://tinyurl.com/2wf2lfh to access the WATS Random Factor Generating Wizard.
There are also explanatory videos on how to use the Wizard and how to implement WATS available at http://www.youtube.com/user/MBRBLU#p/u/7/0wgC4wy1cV0 and http://www.youtube.com/user/MBRBLU#p/u/6/MGpueiPHpqk.
For more information on WATS, its use and impact on students please contact Mark Russell, School of Aerospace, Automotive and Design Engineering at University of Hertfordshire.
© University of Hertfordshire 2009 This work is licensed under a Creative Commons Attribution 2.0 License.
![Page 2: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/2.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 1
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-3.20 kJ and W1 = -22.70kJProcess 2 Q2 = 79.80kJ and W2 = -68.50kJProcess 3 Q3 = 73.70kJ and W3 = -14.40kJ
If the work transfer during the fourth process i.e. W4, is -59.50 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 26C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 36C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 36C (1 mark)
Q3 0.60kg of water enter a device as a saturated vapour at 0.26 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 1
![Page 3: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/3.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 2
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-13.00 kJ and W1 = 63.90kJProcess 2 Q2 = -17.00kJ and W2 = 52.60kJProcess 3 Q3 = 28.00kJ and W3 = 42.90kJ
If the work transfer during the fourth process i.e. W4, is 39.70 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 26C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 26C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 32C (1 mark)
Q3 0.20kg of water enter a device as a saturated vapour at 0.18 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 2
![Page 4: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/4.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 3
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-7.90 kJ and W1 = -12.20kJProcess 2 Q2 = 72.10kJ and W2 = -18.70kJProcess 3 Q3 = -65.20kJ and W3 = 59.90kJ
If the work transfer during the fourth process i.e. W4, is 59.30 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 28C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 30C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 32C (1 mark)
Q3 0.50kg of water enter a device as a saturated vapour at 0.20 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 3
![Page 5: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/5.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 4
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-9.70 kJ and W1 = 11.50kJProcess 2 Q2 = -0.10kJ and W2 = 5.60kJProcess 3 Q3 = -34.40kJ and W3 = -33.00kJ
If the work transfer during the fourth process i.e. W4, is -21.80 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 24C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 26C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 26C (1 mark)
Q3 0.70kg of water enter a device as a saturated vapour at 0.28 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 4
![Page 6: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/6.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 5
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-49.70 kJ and W1 = -41.60kJProcess 2 Q2 = 44.60kJ and W2 = 61.20kJProcess 3 Q3 = -15.60kJ and W3 = 41.20kJ
If the work transfer during the fourth process i.e. W4, is 48.10 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 34C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 36C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 30C (1 mark)
Q3 0.90kg of water enter a device as a saturated vapour at 0.24 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 5
![Page 7: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/7.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 6
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-69.10 kJ and W1 = 41.30kJProcess 2 Q2 = 51.10kJ and W2 = -29.20kJProcess 3 Q3 = -8.80kJ and W3 = 16.80kJ
If the work transfer during the fourth process i.e. W4, is -41.80 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 30C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 30C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 38C (1 mark)
Q3 0.90kg of water enter a device as a saturated vapour at 0.12 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 6
![Page 8: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/8.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 7
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =25.00 kJ and W1 = -0.40kJProcess 2 Q2 = -14.30kJ and W2 = 2.50kJProcess 3 Q3 = -52.30kJ and W3 = 44.40kJ
If the work transfer during the fourth process i.e. W4, is -48.30 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 26C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 40C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 26C (1 mark)
Q3 0.50kg of water enter a device as a saturated vapour at 0.28 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 7
![Page 9: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/9.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 8
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =11.10 kJ and W1 = -31.70kJProcess 2 Q2 = -30.50kJ and W2 = -29.60kJProcess 3 Q3 = -28.50kJ and W3 = 43.70kJ
If the work transfer during the fourth process i.e. W4, is 1.90 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 24C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 22C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 26C (1 mark)
Q3 1.00kg of water enter a device as a saturated vapour at 0.14 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 8
![Page 10: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/10.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 9
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =58.10 kJ and W1 = -13.50kJProcess 2 Q2 = -65.90kJ and W2 = -56.30kJProcess 3 Q3 = 3.20kJ and W3 = -46.50kJ
If the work transfer during the fourth process i.e. W4, is 70.50 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 38C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 36C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 28C (1 mark)
Q3 0.90kg of water enter a device as a saturated vapour at 0.28 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 9
![Page 11: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/11.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 10
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =28.00 kJ and W1 = 48.20kJProcess 2 Q2 = 45.60kJ and W2 = 69.50kJProcess 3 Q3 = 12.20kJ and W3 = 65.20kJ
If the work transfer during the fourth process i.e. W4, is 33.80 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 22C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 34C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 34C (1 mark)
Q3 1.10kg of water enter a device as a saturated vapour at 0.22 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 10
![Page 12: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/12.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 11
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-77.80 kJ and W1 = -78.60kJProcess 2 Q2 = 42.10kJ and W2 = -67.40kJProcess 3 Q3 = -75.00kJ and W3 = 24.70kJ
If the work transfer during the fourth process i.e. W4, is -16.80 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 34C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 34C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 20C (1 mark)
Q3 1.10kg of water enter a device as a saturated vapour at 0.14 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 11
![Page 13: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/13.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 12
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =55.50 kJ and W1 = -79.80kJProcess 2 Q2 = -11.00kJ and W2 = -0.60kJProcess 3 Q3 = -58.30kJ and W3 = -73.20kJ
If the work transfer during the fourth process i.e. W4, is 42.60 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 28C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 34C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 20C (1 mark)
Q3 0.60kg of water enter a device as a saturated vapour at 0.12 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 12
![Page 14: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/14.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 13
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =63.30 kJ and W1 = 15.70kJProcess 2 Q2 = 37.60kJ and W2 = 49.20kJProcess 3 Q3 = 25.70kJ and W3 = -71.30kJ
If the work transfer during the fourth process i.e. W4, is 9.50 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 34C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 30C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 36C (1 mark)
Q3 0.50kg of water enter a device as a saturated vapour at 0.30 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 13
![Page 15: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/15.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 14
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =47.20 kJ and W1 = -10.90kJProcess 2 Q2 = 11.60kJ and W2 = -60.70kJProcess 3 Q3 = -47.70kJ and W3 = -34.90kJ
If the work transfer during the fourth process i.e. W4, is -35.90 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 36C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 40C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 28C (1 mark)
Q3 0.60kg of water enter a device as a saturated vapour at 0.20 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 14
![Page 16: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/16.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 15
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =3.20 kJ and W1 = 13.30kJProcess 2 Q2 = 6.90kJ and W2 = -72.20kJProcess 3 Q3 = 58.60kJ and W3 = 73.20kJ
If the work transfer during the fourth process i.e. W4, is -8.00 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 38C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 32C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 28C (1 mark)
Q3 0.80kg of water enter a device as a saturated vapour at 0.18 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 15
![Page 17: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/17.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 16
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-41.40 kJ and W1 = -32.10kJProcess 2 Q2 = 29.70kJ and W2 = 59.50kJProcess 3 Q3 = 3.70kJ and W3 = -50.40kJ
If the work transfer during the fourth process i.e. W4, is -76.10 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 26C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 26C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 30C (1 mark)
Q3 0.30kg of water enter a device as a saturated vapour at 0.12 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 16
![Page 18: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/18.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 17
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-78.30 kJ and W1 = -7.80kJProcess 2 Q2 = -62.90kJ and W2 = -79.90kJProcess 3 Q3 = -79.70kJ and W3 = -74.40kJ
If the work transfer during the fourth process i.e. W4, is 39.50 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 30C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 22C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 38C (1 mark)
Q3 1.10kg of water enter a device as a saturated vapour at 0.18 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 17
![Page 19: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/19.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 18
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =69.80 kJ and W1 = 20.70kJProcess 2 Q2 = 26.70kJ and W2 = -56.60kJProcess 3 Q3 = 65.20kJ and W3 = -14.10kJ
If the work transfer during the fourth process i.e. W4, is 39.30 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 38C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 32C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 38C (1 mark)
Q3 1.10kg of water enter a device as a saturated vapour at 0.18 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 18
![Page 20: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/20.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 19
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =39.80 kJ and W1 = -72.20kJProcess 2 Q2 = -61.60kJ and W2 = 57.00kJProcess 3 Q3 = 73.00kJ and W3 = 55.10kJ
If the work transfer during the fourth process i.e. W4, is 28.80 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 36C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 20C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 32C (1 mark)
Q3 0.80kg of water enter a device as a saturated vapour at 0.14 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 19
![Page 21: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/21.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 20
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =67.90 kJ and W1 = 24.70kJProcess 2 Q2 = -24.60kJ and W2 = -29.70kJProcess 3 Q3 = 77.80kJ and W3 = 17.70kJ
If the work transfer during the fourth process i.e. W4, is -57.80 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 38C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 24C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 30C (1 mark)
Q3 0.70kg of water enter a device as a saturated vapour at 0.30 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 20
![Page 22: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/22.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 21
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =41.50 kJ and W1 = -65.20kJProcess 2 Q2 = 27.10kJ and W2 = 11.60kJProcess 3 Q3 = -72.50kJ and W3 = 55.70kJ
If the work transfer during the fourth process i.e. W4, is -52.40 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 22C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 32C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 34C (1 mark)
Q3 0.70kg of water enter a device as a saturated vapour at 0.16 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 21
![Page 23: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/23.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 22
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-70.40 kJ and W1 = -7.30kJProcess 2 Q2 = -39.10kJ and W2 = 17.60kJProcess 3 Q3 = -42.70kJ and W3 = 9.60kJ
If the work transfer during the fourth process i.e. W4, is -58.30 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 28C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 26C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 24C (1 mark)
Q3 0.50kg of water enter a device as a saturated vapour at 0.20 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 22
![Page 24: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/24.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 23
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-23.40 kJ and W1 = 70.10kJProcess 2 Q2 = -52.70kJ and W2 = 61.50kJProcess 3 Q3 = -54.80kJ and W3 = 28.00kJ
If the work transfer during the fourth process i.e. W4, is -43.20 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 36C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 34C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 22C (1 mark)
Q3 1.00kg of water enter a device as a saturated vapour at 0.24 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 23
![Page 25: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/25.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 24
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =43.60 kJ and W1 = 56.10kJProcess 2 Q2 = 22.50kJ and W2 = -36.40kJProcess 3 Q3 = -43.60kJ and W3 = 9.40kJ
If the work transfer during the fourth process i.e. W4, is -13.60 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 30C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 30C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 26C (1 mark)
Q3 0.30kg of water enter a device as a saturated vapour at 0.28 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 24
![Page 26: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/26.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 25
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-76.70 kJ and W1 = 14.90kJProcess 2 Q2 = -5.60kJ and W2 = 11.20kJProcess 3 Q3 = -59.40kJ and W3 = 22.60kJ
If the work transfer during the fourth process i.e. W4, is 13.20 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 34C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 24C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 34C (1 mark)
Q3 0.60kg of water enter a device as a saturated vapour at 0.26 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 25
![Page 27: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/27.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 26
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-67.00 kJ and W1 = 6.90kJProcess 2 Q2 = 36.90kJ and W2 = 70.00kJProcess 3 Q3 = -52.60kJ and W3 = -69.40kJ
If the work transfer during the fourth process i.e. W4, is -53.40 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 34C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 28C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 34C (1 mark)
Q3 0.90kg of water enter a device as a saturated vapour at 0.20 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 26
![Page 28: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/28.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 27
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =10.50 kJ and W1 = 77.70kJProcess 2 Q2 = -43.20kJ and W2 = 75.00kJProcess 3 Q3 = -15.50kJ and W3 = 1.90kJ
If the work transfer during the fourth process i.e. W4, is 11.80 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 28C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 32C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 20C (1 mark)
Q3 1.10kg of water enter a device as a saturated vapour at 0.28 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 27
![Page 29: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/29.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 28
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =58.20 kJ and W1 = 0.50kJProcess 2 Q2 = -40.10kJ and W2 = -36.00kJProcess 3 Q3 = 24.60kJ and W3 = 15.30kJ
If the work transfer during the fourth process i.e. W4, is -62.30 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 36C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 28C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 38C (1 mark)
Q3 0.50kg of water enter a device as a saturated vapour at 0.30 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 28
![Page 30: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/30.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 29
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =0.40 kJ and W1 = -3.70kJProcess 2 Q2 = 18.70kJ and W2 = 39.00kJProcess 3 Q3 = 65.40kJ and W3 = 2.90kJ
If the work transfer during the fourth process i.e. W4, is -31.70 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 20C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 20C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 24C (1 mark)
Q3 0.50kg of water enter a device as a saturated vapour at 0.28 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 29
![Page 31: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/31.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 30
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-21.20 kJ and W1 = 17.90kJProcess 2 Q2 = -50.40kJ and W2 = 61.30kJProcess 3 Q3 = 26.90kJ and W3 = 56.00kJ
If the work transfer during the fourth process i.e. W4, is 41.50 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 22C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 22C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 22C (1 mark)
Q3 1.20kg of water enter a device as a saturated vapour at 0.22 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 30
![Page 32: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/32.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 31
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =30.90 kJ and W1 = 20.70kJProcess 2 Q2 = -57.40kJ and W2 = 64.00kJProcess 3 Q3 = -47.10kJ and W3 = 19.40kJ
If the work transfer during the fourth process i.e. W4, is -78.20 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 28C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 22C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 36C (1 mark)
Q3 0.30kg of water enter a device as a saturated vapour at 0.14 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 31
![Page 33: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/33.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 32
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =76.70 kJ and W1 = 8.50kJProcess 2 Q2 = 48.70kJ and W2 = -11.60kJProcess 3 Q3 = 60.00kJ and W3 = -61.30kJ
If the work transfer during the fourth process i.e. W4, is 70.00 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 28C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 34C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 34C (1 mark)
Q3 0.30kg of water enter a device as a saturated vapour at 0.22 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 32
![Page 34: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/34.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 33
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-41.60 kJ and W1 = -44.60kJProcess 2 Q2 = 51.80kJ and W2 = -72.30kJProcess 3 Q3 = 59.90kJ and W3 = -74.80kJ
If the work transfer during the fourth process i.e. W4, is 37.20 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 26C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 32C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 28C (1 mark)
Q3 0.60kg of water enter a device as a saturated vapour at 0.14 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 33
![Page 35: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/35.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 34
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-41.70 kJ and W1 = 72.50kJProcess 2 Q2 = 66.80kJ and W2 = -75.20kJProcess 3 Q3 = -60.50kJ and W3 = 65.10kJ
If the work transfer during the fourth process i.e. W4, is 6.60 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 40C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 28C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 32C (1 mark)
Q3 0.50kg of water enter a device as a saturated vapour at 0.14 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 34
![Page 36: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/36.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 35
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =19.90 kJ and W1 = 1.80kJProcess 2 Q2 = 12.80kJ and W2 = 67.30kJProcess 3 Q3 = -55.10kJ and W3 = 75.60kJ
If the work transfer during the fourth process i.e. W4, is -52.40 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 32C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 38C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 24C (1 mark)
Q3 0.70kg of water enter a device as a saturated vapour at 0.16 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 35
![Page 37: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/37.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 36
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-63.10 kJ and W1 = 43.30kJProcess 2 Q2 = -17.00kJ and W2 = 66.10kJProcess 3 Q3 = -47.30kJ and W3 = 55.20kJ
If the work transfer during the fourth process i.e. W4, is 9.60 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 40C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 34C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 34C (1 mark)
Q3 0.80kg of water enter a device as a saturated vapour at 0.20 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 36
![Page 38: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/38.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 37
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-64.30 kJ and W1 = 40.90kJProcess 2 Q2 = 58.10kJ and W2 = -57.80kJProcess 3 Q3 = 54.90kJ and W3 = 30.90kJ
If the work transfer during the fourth process i.e. W4, is 57.00 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 38C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 22C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 34C (1 mark)
Q3 0.80kg of water enter a device as a saturated vapour at 0.18 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 37
![Page 39: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/39.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 38
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-4.60 kJ and W1 = 70.20kJProcess 2 Q2 = 68.40kJ and W2 = -33.90kJProcess 3 Q3 = 61.60kJ and W3 = 49.80kJ
If the work transfer during the fourth process i.e. W4, is -25.80 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 36C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 32C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 30C (1 mark)
Q3 1.10kg of water enter a device as a saturated vapour at 0.20 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 38
![Page 40: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/40.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 39
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-28.20 kJ and W1 = 75.80kJProcess 2 Q2 = 8.30kJ and W2 = -43.80kJProcess 3 Q3 = -12.50kJ and W3 = 38.10kJ
If the work transfer during the fourth process i.e. W4, is 2.50 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 30C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 38C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 38C (1 mark)
Q3 1.10kg of water enter a device as a saturated vapour at 0.26 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 39
![Page 41: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/41.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 40
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =68.70 kJ and W1 = -39.30kJProcess 2 Q2 = -71.10kJ and W2 = -0.70kJProcess 3 Q3 = -54.70kJ and W3 = -26.90kJ
If the work transfer during the fourth process i.e. W4, is -64.70 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 38C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 26C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 32C (1 mark)
Q3 0.60kg of water enter a device as a saturated vapour at 0.16 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 40
![Page 42: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/42.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 41
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-37.20 kJ and W1 = 74.20kJProcess 2 Q2 = -65.30kJ and W2 = 60.10kJProcess 3 Q3 = -6.40kJ and W3 = -6.20kJ
If the work transfer during the fourth process i.e. W4, is 37.10 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 24C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 24C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 36C (1 mark)
Q3 1.00kg of water enter a device as a saturated vapour at 0.24 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 41
![Page 43: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/43.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 42
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =46.30 kJ and W1 = 3.00kJProcess 2 Q2 = -12.90kJ and W2 = -16.50kJProcess 3 Q3 = 42.10kJ and W3 = -45.30kJ
If the work transfer during the fourth process i.e. W4, is 29.70 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 24C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 22C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 32C (1 mark)
Q3 1.10kg of water enter a device as a saturated vapour at 0.28 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 42
![Page 44: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/44.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 43
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-26.30 kJ and W1 = 10.50kJProcess 2 Q2 = 62.10kJ and W2 = -5.50kJProcess 3 Q3 = -40.00kJ and W3 = 46.90kJ
If the work transfer during the fourth process i.e. W4, is 52.10 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 20C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 32C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 30C (1 mark)
Q3 0.80kg of water enter a device as a saturated vapour at 0.28 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 43
![Page 45: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/45.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 44
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-25.20 kJ and W1 = 68.80kJProcess 2 Q2 = -34.70kJ and W2 = -77.70kJProcess 3 Q3 = 72.70kJ and W3 = -7.00kJ
If the work transfer during the fourth process i.e. W4, is 18.60 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 22C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 28C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 34C (1 mark)
Q3 0.60kg of water enter a device as a saturated vapour at 0.16 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 44
![Page 46: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/46.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 45
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =42.90 kJ and W1 = -50.90kJProcess 2 Q2 = 70.90kJ and W2 = 51.60kJProcess 3 Q3 = 31.70kJ and W3 = -39.60kJ
If the work transfer during the fourth process i.e. W4, is 79.50 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 30C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 24C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 32C (1 mark)
Q3 1.00kg of water enter a device as a saturated vapour at 0.20 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 45
![Page 47: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/47.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 46
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-20.00 kJ and W1 = 35.30kJProcess 2 Q2 = -32.10kJ and W2 = -12.40kJProcess 3 Q3 = 2.20kJ and W3 = -23.20kJ
If the work transfer during the fourth process i.e. W4, is -29.60 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 34C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 36C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 38C (1 mark)
Q3 1.00kg of water enter a device as a saturated vapour at 0.20 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 46
![Page 48: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/48.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 47
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-35.10 kJ and W1 = 5.90kJProcess 2 Q2 = 40.00kJ and W2 = -41.50kJProcess 3 Q3 = -5.50kJ and W3 = -45.40kJ
If the work transfer during the fourth process i.e. W4, is 34.60 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 20C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 28C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 28C (1 mark)
Q3 1.00kg of water enter a device as a saturated vapour at 0.18 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 47
![Page 49: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/49.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 48
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =70.10 kJ and W1 = -71.70kJProcess 2 Q2 = 3.60kJ and W2 = 62.10kJProcess 3 Q3 = -77.30kJ and W3 = 68.20kJ
If the work transfer during the fourth process i.e. W4, is 23.10 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 36C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 34C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 32C (1 mark)
Q3 1.00kg of water enter a device as a saturated vapour at 0.18 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 48
![Page 50: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/50.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 49
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =71.90 kJ and W1 = 31.90kJProcess 2 Q2 = -11.20kJ and W2 = 39.20kJProcess 3 Q3 = -22.60kJ and W3 = -10.70kJ
If the work transfer during the fourth process i.e. W4, is -21.50 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 38C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 20C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 24C (1 mark)
Q3 0.70kg of water enter a device as a saturated vapour at 0.24 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 49
![Page 51: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/51.jpg)
Fluid Mechanics and Thermodynamics.Weekly Assessed Tutorial Sheet 4.
Student Number 50
Name
Hand out date Hand in date
Q1. A system executes a cycle which is made up of four processes. The heat and work transfers that take place in the first three processes are:
Process 1 Q1 =-22.30 kJ and W1 = -55.90kJProcess 2 Q2 = 28.40kJ and W2 = -38.30kJProcess 3 Q3 = -24.10kJ and W3 = 5.30kJ
If the work transfer during the fourth process i.e. W4, is 26.50 kJ determine the corresponding heat transfer Q4 (kJ) (1 mark)
Q2. Using the Thermodynamic and Transport Properties of Fluids -
i) Find the specific enthalpy (kJ/kg) of saturated water in the liquid phase at 26C (1 mark)1
ii) Find the specific enthalpy (kJ/kg) of saturated water in the vapour phase at 30C (1 mark)
iii) Find the specific enthalpy change (kJ/kg) between saturated water vapour and saturated water liquid when it is at 38C (1 mark)
Q3 0.20kg of water enter a device as a saturated vapour at 0.20 Bar and, after undertaken a process, leaves as a saturated liquid. Calculate
i) the internal energy of the water as it enters the device (kJ), (1 mark)
ii) the internal energy of the water as it leaves the device (kJ) and (1 mark)
iii) the change in internal energy as a consequence of the process (kJ). (1 mark)
iv) Given the conditions noted in Q3 find the saturation temperature of the water (C) (1 mark)
WATS 4. Student number 50
![Page 52: WATS 4 (1-50) Fluid Mechanics and Thermodynamics](https://reader035.vdocuments.us/reader035/viewer/2022062319/557a891cd8b42abc638b4b7a/html5/thumbnails/52.jpg)
CreditsThis resource was created by the University of Hertfordshire and released as an open educational resource through the Open Engineering Resources project of the HE Academy Engineering Subject Centre. The Open Engineering Resources project was funded by HEFCE and part of the JISC/HE Academy UKOER programme.
© University of Hertfordshire 2009
This work is licensed under a Creative Commons Attribution 2.0 License.
The name of the University of Hertfordshire, UH and the UH logo are the name and registered marks of the University of Hertfordshire. To the fullest extent permitted by law the University of Hertfordshire reserves all its rights in its name and marks which may not be used except with its written permission.
The JISC logo is licensed under the terms of the Creative Commons Attribution-Non-Commercial-No Derivative Works 2.0 UK: England & Wales Licence. All reproductions must comply with the terms of that licence.
The HEA logo is owned by the Higher Education Academy Limited may be freely distributed and copied for educational purposes only, provided that appropriate acknowledgement is given to the Higher Education Academy as the copyright holder and original publisher.
_______________________________________________________________________________________________