Solutions for Fundamentals Of Thermodynamics
Problem 2.2P:
What is the minimum pressure for liquid carbon dioxide?Problem 2.4P:
Is it possible to have water vapor at 5 ?Problem 2.5P:
At higher elevations, as in mountains, air pressure is lower; how does that affect the cooking of...Problem 2.7P:
Can a vapor exist below the triple point temperature?Problem 2.8P:
Ice cubes can disappear and food can dry out (freezer burn) in the freezer. That happens to the ice?Problem 2.11P:
Locate the state of R410A at 500kPa,10C . Indicate in both the Pv and Tv diagrams the location of...Problem 2.14P:
As the pressure of a gas becomes larger, Z becomes larger than 1. What does that imply?Problem 2.15P:
Carbon dioxide at 280K can be in three different phases; vapor, liquid. and solid. Indicate the...Problem 2.16P:
Find the lowest temperature at which it is possible to have water in the liquid phase. At what...Problem 2.17P:
Water at 27C can exist in different phases, depending on the pressure. Give the approximate pressure...Problem 2.18P:
Dry ice is the name of solid carbon dioxide. How cold must it be at atmospheric (100kPa) pressure?...Problem 2.19P:
A substance is at 2MPa and 17C in a rigid tank. Using only the critical properties, can the phase of...Problem 2.20P:
Determine the phase for each of these cases a. Water5C,100kPa b. Ammonia5C,100kPa c. R410A5C,700kPa...Problem 2.22P:
Determine the phase of the substance at the given state using appendix B tables. a. Water:...Problem 2.23P:
Give the missing property of PvT and x for water at a. 10MPa,0.003m3/kg b. 1MPa,190C c....Problem 2.24P:
Determine whether refrigerant R410A in each of the following states is a compressed liquid, a...Problem 2.25P:
Show the states in Problem 2.24 in a sketch of the Pv diagram. Determine whether refrigerant R-410A...Problem 2.26P:
Fill out the following table for substance ammonia:Problem 2.27P:
Place the two states ab listed in Problem 2.26 as labeled dots in a sketch of the Pv and Tv...Problem 2.28P:
Determine the specific volume for R410A at these states: a. 15C,400kPa b. 20C,1500kPa c....Problem 2.29P:
Place the three states ac listed in previous problem as labeled dots in a sketch of the Pv and Tv...Problem 2.32P:
You want a pot of water to boil at 105C . How heavy a lid should you put on the 15cm -diameter pot...Problem 2.33P:
Water at 400kPa a quality of 75 has its pressure raised 200kPa in a constant-volume process. What is...Problem 2.34P:
Saturated water vapor at 200kPa is in a constant-pressure piston cylinder assembly. At this state...Problem 2.35P:
Saturated liquid water at 60C is put under pressure to decrease the volume by 1 while keeping the...Problem 2.36P:
A constant pressure piston cylinder has water at 1000kPa with a quality of 25 . Its temperature is...Problem 2.37P:
A glass jar is filled with saturated water at 500kPa of quality 75 , and a tight Lid is put on. Now...Problem 2.38P:
Saturated vapor R4l0A at 60C has to pressure decreased to increase the volume by 10 . while keeping...Problem 2.39P:
Ammonia at 20C with a quality of 50 and a total mass of 2kg is in a rigid tank with an outlet valve...Problem 2.40P:
Repeat the previous problem if the outlet valve is at the bottom taking saturated liquid out until...Problem 2.41P:
R134a is in a sealed, rigid vessel of 2m3 as saturated vapor at 50C . It is now cooled to 20C . Find...Problem 2.42P:
A storage tank holds methane at 120K , with a quality of 25 , and it warms up by 5C per hour due to...Problem 2.43P:
A 400m3 storage tank is being constructed to hold liquified natural gas (LGN). which may be assumed...Problem 2.44P:
Carbon dioxide at 6000kPa,40C is cooled in a closed rigid tank to -10C . At what temperature did it...Problem 2.45P:
A pressure cooker has the lid screwed on tight. A small opening with A=5mm2 is covered with a...Problem 2.46P:
A 1m3 tank is filled with a gas at room temperature (20C) and pressure (200kPa) . How much mass is...Problem 2.47P:
A pneumatic cylinder (a piston cylinder with air) must close a door with a force of 500N . The...Problem 2.48P:
Is it reasonable to assume that at the given states the substance behaves as an ideal gas? a. Oxygen...Problem 2.49P:
Helium in a steel tank is at 250kPa,300K with a volume of 0.2m3 . It is used to fill a balloon. Then...Problem 2.50P:
A spherical helium balloon l0m in diameter is at ambient T and P,15C and l00kPa . How much helium...Problem 2.51P:
A glass is cleaned in hot water at 35°C and placed on the table bottom up. The room air at 20C that...Problem 2.52P:
Air in a car tire is initially at 10C and 190kPa . After the car is driven awhile, the temperature...Problem 2.53P:
A rigid tank of 1m3 contains nitrogen gas at 600kPa,400K . By mistake, someone lets 0.6kg flow out....Problem 2.54P:
Assume we have three states of saturated vapor R-134a at +40C,0C, and 40C . Calculate the specific...Problem 2.55P:
Do Problem 2.54 for R-410A Assume we have three states of saturated vapor R-134a at +40C,0C, and 40C...Problem 2.56P:
Do problem 2.54 for the substance ammonia. Assume we have three states of saturated vapor R-134a at...Problem 2.57P:
A cy1inica1 gas tank 1m long, with an inside diameter of 20cm , is evacuated and then filled with...Problem 2.58P:
Ammonia in a piston cylinder arrangement is at 700kPa and 80C . It is now cooled at constant...Problem 2.59P:
Find the compressibility factor (Z) for saturated vapor ammonia at l00kPa and at 2000kPa .Problem 2.60P:
Find the compressibility factor for methane at a. 8MPa,200K b. 8kPa,300K c. 150K,v=0.05m3/kgProblem 2.61P:
Find the compressibility for carbon dioxide at 60C and 10MPa using Fig D.1. and repeat with Table...Problem 2.62P:
What is the percent error in specific volume if the ideal gas model is used to represent the...Problem 2.63P:
Estimate the saturation pressure of R142b at 300K .Problem 2.64P:
A bottle a volume of 0.1m3 contains butane with a quality of 75 and a temperature of 300K . Estimate...Problem 2.66P:
Argon is kept in a rigid 5m3 tank at 30C and 3MPa . Determine the mass using the compressibility...Problem 2.67P:
A new refrigerant, R152a . is stored as a liquid at 20C with a small amount of vapor. For...Problem 2.68P:
Determine the pressure of nitrogen at 160K,v=0.00291m3/kg using ideal gas, the van der Waals EOS,...Problem 2.69P:
Determine the pressure of nitrogen at 160K,v=0.00291m3/kg using the Soave EOS and the nitrogen...Problem 2.70P:
Carbon dioxide at 60C is pumped at a very high pressure. 10MPa , into an oil well to reduce the...Problem 2.71P:
Solve Problem 2.70 using the Soave EOS. Notice that this becomes a trial-and-error process.Problem 2.72P:
A tank contains 8.35kg of methane in 0.1m3 at 250K . Find the pressure using ideal gas, the van der...Problem 2.73P:
Do the previous problem using the Redlich-Kwong EOS.Problem 2.74P:
Do the Problem 2.72 using the Soave EOS.Problem 2.75P:
Determine the unknowns of T, v and x if two phase of the following substances at the given four...Problem 2.76P:
Give the phase and the missing properties of P, T, v, and x. These may be a little more difficult to...Problem 2.77P:
Refrigerant R410A in a piston/cylinder arrangement is initially at l5C with x=1 . It is then...Problem 2.78P:
Water in a piston cylinder is at 90C,100kPa , and the piston loading is such that pressure is...Problem 2.79P:
A tank contains 2kg of saturated ammonia vapor at 70C . The tank is now cooled to 20C by heat...Problem 2.80P:
A container with liquid nitrogen at l00K has a cross-sectional area of 0.5m2 , as shown in Fig....Problem 2.81P:
Determine the mass of methane gas stored in a 2m3 tank at 30C,2MPa . Estimate the percent error in...Problem 2.82P:
What is the percent error in pressure if the ideal gas model is used to represent the behavior of...Problem 2.84P:
Use a linear interpolation to estimate the missing properties of(P, T, y and x) for ammonia at a....Problem 2.85P:
Use a linear interpolation to estimate Tsat at 900kPa for nitrogen. Sketch by hand the curve Psat(T)...Problem 2.86P:
Use a double linear interpolation to find the pressure for superheated R134a at 13C with v=0.3m3/kg...Problem 2.87EP:
Cabbage needs to be cooked (boiled) at 250 F. What pressure should the pressure cooker be set for?Problem 2.89EP:
If I have 1ft3 of ammonia at 15psia,60F , what is the mass?Problem 2.90EP:
Locate the state of R410A at 30 psia, 20F . Indicate in both the Pv and Tv diagrams the location of...Problem 2.91EP:
A substance is at 300lbf/in.2,65F in a rigid tank. Using only the critical properties, can the phase...Problem 2.93EP:
Determine the phase of the substance at the given state using Appendix F tables. a. Water:...Problem 2.94EP:
Give the phase and the missing property of P, T, v, and x for R134a at a. T=10F,P=l8psia b....Problem 2.95EP:
Fill out the following table for substance ammonia. Place the two states ab as labeled dots in a...Problem 2.96EP:
Give the phase and the specific volume for the following: a. R410A,T=25F,P=30lbf/in.2 b....Problem 2.97EP:
Give the missing property of P, T, v, and x for a. R410A,at80psia,v=0.2ft3/lbm b. R-410A at...Problem 2.98EP:
Saturated liquid water at 150F is put under pressure to decrease the volume by 1 while keeping the...Problem 2.99EP:
You want a pot of water to boil at 220F . How heavy a lid should you put on the 6-in-diameter pot...Problem 2.100EP:
Saturated water vapor 240F has its pressure decreased to increase the volume by 10 , keeping the...Problem 2.101EP:
Saturated vapor R4l0A at 100F has its pressure increased to decrease the volume by 20 while the...Problem 2.102EP:
A glass jar is filled with saturated water at 300F and quality 25 , and a tight lid is put on. Now...Problem 2.103EP:
A pressure cooker has the lid screwed on tight. A small opening with A=0.0075in.2 is covered with a...Problem 2.105EP:
Repeat the previous problem if the outlet valve is at the top taking saturated vapor out until no...Problem 2.106EP:
A cylindrical gas tank 3ft long, with an inside diameter of 8in. , is evacuated and then filled with...Problem 2.107EP:
A spherical helium balloon 30ft in diameter is at ambient T and P,60F and 14.69psia . How much...Problem 2.108EP:
Helium in a steel tank s at 36psia , 540R with a volume of 4ft3 . It is used to fill a balloon. When...Problem 2.109EP:
A 35ft3 rigid tank has propane at 25psia,540R and is connected by a valve to another tank of 20 ft3...Problem 2.110EP:
What is the percent error in specific volume if the ideal gas model is used to represent the...Problem 2.111EP:
Air in a car tire is initially at 10F and 30psia . After the car is driven awhile, the temperature...Problem 2.112EP:
R4l0A at 200psia , 100F is cooled in a closed rigid tank to 30F . At what temperature did it become...Problem 2.113EP:
Refrigerant- 410A in a piston cylinder arrangement is initially at 60F,x=1 . It is then expanded in...Problem 2.114EP:
A substance is at 70F,300Ibf/in.2 in a 10ft3 tank. Estimate the mass from the compressibility chart...Problem 2.115EP:
Estimate the saturation pressure of R142b at 540R .Problem 2.116EP:
Determine the mass of an ethane gas stored in a 25ft3 tank at 250F,440lbf/in.2 using the...Browse All Chapters of This Textbook
Chapter 1 - Introduction And PreliminariesChapter 2 - Properties Of A Pure SubstanceChapter 3 - Energy Equation And First Law Of ThermodynamicsChapter 4 - Energy Analysis For A Control VolumeChapter 5 - The Second Law Of ThermodynamicsChapter 6 - EntropyChapter 7 - Entropy Analysis For A Control VolumeChapter 9 - Power And Refrigiration Systems-with Phase Change
Book Details
The field's leading textbook for more than three decades, Fundamentals of Engineering Thermodynamics offers a comprehensive introduction to essential principles and applications in the context of engineering. Now in its Tenth Edition, this book retains its characteristic rigor and systematic approach to thermodynamics with enhanced pedagogical features that aid in student comprehension. Detailed appendices provide instant reference; chapter summaries review terminology, equations, and key concepts; and updated data and graphics increase student engagement while enhancing understanding.
Covering classical thermodynamics with a focus on practical applications, this book provides a basic foundational skillset applicable across a variety of engineering fields. Worked examples demonstrate the appropriate use of new formulas, while clarifying the proper approach to generalized problems of a relevant nature. Going beyond the usual guidance in the basics of the field, this book is designed as comprehensive preparation for more advanced study in students' engineering field of choice.
Covering classical thermodynamics with a focus on practical applications, this book provides a basic foundational skillset applicable across a variety of engineering fields. Worked examples demonstrate the appropriate use of new formulas, while clarifying the proper approach to generalized problems of a relevant nature. Going beyond the usual guidance in the basics of the field, this book is designed as comprehensive preparation for more advanced study in students' engineering field of choice.
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