ME 232 Thermodynamics I
Fall 2015
Homework Set 3
Due: October 9 at the BEGINNING of class
1. (5 points) 2.6 kg of air in a stationary closed box undergo a process that results in 22.3
kJ of work being done by the air. Find the net heat transfer for the pr

ME 232 Thermodynamics I
Fall 2015
Homework Set 4
Due: October 16 at the BEGINNING of class
1. (10 points) Determine the phase or phases in a system
consisting of H2O at the following conditions. Draw
carefully labeled t-v and p-v diagrams with the vapor
d

ME 232 Thermodynamics I
Fall 2015
Homework Set 5
Due: October 23 at the BEGINNING of class
1. (10 points)
a. Using the saturated liquid model, determine the specific enthalpy, specific volume, and
specific internal energy of water at 250 kPa and 100C.
b.

ME 232 Thermodynamics I
Fall 2015
Homework Set 1
Due: September 18 at the BEGINNING of class
1. (5 points) An object has a mass of 10 kg. Determine its weight (Note: you will have to
look up the acceleration due to gravity for both Earth and the moon if y

ME 232 Thermodynamics I
Fall 2015
Homework Set 2
Due: September 25 at the BEGINNING of class
1. (10 points) The piston in a piston cylinder assembly has a mass of 50 kg and a diameter of 5
feet.
a. What is the absolute pressure in the cylinder?
b. What is

ME 232 Thermodynamics I
Fall 2015
Homework Set 3
Due: October 9 at the BEGINNING of class
1. (5 points) 2.6 kg of air in a stationary closed box undergo a process that results in 22.3
kJ of work being done by the air. Find the net heat transfer for the pr

ME 232 Thermodynamics I
Fall 2015
Homework Set 4
Due: October 16 at the BEGINNING of class
1. (10 points) Determine the phase or phases in a system
consisting of H2O at the following conditions. Draw
carefully labeled t-v and p-v diagrams with the vapor
d

Example 21: A closed rigid container with a volume of 0.4 m3 sits on a hot plate. The container
initially contains saturated water vapor at p1 = 8.0 bar. The water is heated to a temperature of
350°C.
(a) Draw the system, write out the given information,

ME 2320 In Class Example Problems
For the following systems, define the boundaries and draw a schematic with the indicated heat
transfer and work, if there are any, before solving the problem.
Example 6: 3.3 kg of air is contained in a piston-cylinder as

ME 232 Thermodynamics I
Fall 2015
Homework Set 2
Due: September 25 at the BEGINNING of class
1. (10 points) The piston in a piston cylinder assembly has a mass of 50 kg and a diameter of 5
feet.
a. What is the absolute pressure in the cylinder?
b. What is

ME 232 Thermodynamics I
Fall 2015
Homework Set 1
Due: September 18 at the BEGINNING of class
1. (5 points) An object has a mass of 10 kg. Determine its weight (Note: you will have to
look up the acceleration due to gravity for both Earth and the moon if y

ME 2320 In Class Example Problems
Example 1
Determine the pressure on the bottom of a tank with a bottom area of 1 m2. There are 3 m3
of water and 3 m3 of Ethyl Alcohol in the tank. Note: Density of ethyl alcohol is 789 kg/m3.
ME 2320 In Class Example Pro