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Title: Solution Paper of thermodynamics I
Description: **Thermodynamics I Solution Paper** This solution paper for Thermodynamics I provides comprehensive, step-by-step solutions to common problems and exercises encountered in introductory thermodynamics courses. Covering core topics such as the laws of thermodynamics, properties of pure substances, energy analysis, and heat/work interactions, this paper serves as a valuable resource for engineering students looking to deepen their understanding and excel in their studies. Each solution is detailed with clear explanations, diagrams, and relevant formulas to ensure a thorough grasp of the underlying concepts. Perfect for exam preparation, homework assistance, and concept reinforcement.
Description: **Thermodynamics I Solution Paper** This solution paper for Thermodynamics I provides comprehensive, step-by-step solutions to common problems and exercises encountered in introductory thermodynamics courses. Covering core topics such as the laws of thermodynamics, properties of pure substances, energy analysis, and heat/work interactions, this paper serves as a valuable resource for engineering students looking to deepen their understanding and excel in their studies. Each solution is detailed with clear explanations, diagrams, and relevant formulas to ensure a thorough grasp of the underlying concepts. Perfect for exam preparation, homework assistance, and concept reinforcement.
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KING ABDULAZIZ UNIVERSITY
...
Mechanical Engineering Department
...
Student Name:
Student Number:
Time: 2 hr
...
Final Exam
...
Number of Question
Mark
1a
1b
Property Tables are allowed
...
During the process, 30 kJ of heat is transferred to
the water, and 5 kJ of heat is lost to the
surrounding air
...
Determine the final energy of the
system if its initial energy is 10 kJ
...
Page 1 of 9
Examiner: Dr
...
3b
4
30
Page 2 of 9
Examiner: Dr
...
KING ABDULAZIZ UNIVERSITY
...
Mechanical Engineering Department
...
Final Exam
...
T, °C p, kPa
400
u, kJ/kg
v, m3/kg
Property Tables are allowed
...
Group: ZA
...
Solution
Question (2)
( 7 Marks)
2
...
Nitrogen is now compressed
slowly according to the relation Pv1
...
Calculate the work
input during this process
...
Walid Aniss
...
b) Refrigerant-134a enters a 28-cm diameter pipe steadily at
200 kPa and 20°C with a velocity of 5 m/s
...
Determine (a) the volume flow rate of the refrigerant at the
inlet, (b) the mass flow rate of the refrigerant, and (c) the
velocity and volume flow rate at the exit
...
Walid Aniss
...
Faculty of Engineering, Rabigh Branch
...
Subject: Thermodynamics (I) MEP261
...
Final Exam
...
Group: ZA
...
Question (3)
( 9 Mark)
3
...
Determine (a) the COP of this air conditioner and (b) the
rate of heat transfer to the outside air
...
08, (b) 1110 kJ/min
Solution
...
Walid Aniss
...
b) A piston–cylinder device contains 5 kg of steam at 100°C with a
quality of 50 percent
...
2-3 The steam expands in an adiabatic, reversible process until the
pressure is 15 kPa
...
(b) Determine the heat added to the steam in process 1-2, in kJ
...
(6 Marks)
Sol
...
Walid Aniss
...
Walid Aniss
...
Faculty of Engineering, Rabigh Branch
...
Subject: Thermodynamics (I) MEP261
...
Final Exam
...
Group: ZA
...
(6 Marks)
Air enters the compressor of a gas-turbine engine at 300 K and 100 kPa,
where it is compressed to 700 kPa and 580 K
...
For a turbine
efficiency of 86 percent, determine (a) the fraction of the turbine work
output used to drive the compressor and (b) the thermal efficiency
...
...
Page 8 of 9
Examiner: Dr
...
Solution
Page 9 of 9
Examiner: Dr
...
Title: Solution Paper of thermodynamics I
Description: **Thermodynamics I Solution Paper** This solution paper for Thermodynamics I provides comprehensive, step-by-step solutions to common problems and exercises encountered in introductory thermodynamics courses. Covering core topics such as the laws of thermodynamics, properties of pure substances, energy analysis, and heat/work interactions, this paper serves as a valuable resource for engineering students looking to deepen their understanding and excel in their studies. Each solution is detailed with clear explanations, diagrams, and relevant formulas to ensure a thorough grasp of the underlying concepts. Perfect for exam preparation, homework assistance, and concept reinforcement.
Description: **Thermodynamics I Solution Paper** This solution paper for Thermodynamics I provides comprehensive, step-by-step solutions to common problems and exercises encountered in introductory thermodynamics courses. Covering core topics such as the laws of thermodynamics, properties of pure substances, energy analysis, and heat/work interactions, this paper serves as a valuable resource for engineering students looking to deepen their understanding and excel in their studies. Each solution is detailed with clear explanations, diagrams, and relevant formulas to ensure a thorough grasp of the underlying concepts. Perfect for exam preparation, homework assistance, and concept reinforcement.