Spring 2006
Thermodynamics
Homework 13 Solution 1. A reversible process has been defined as a process, which having taken place, can be reversed and in so doing leaves no change in either the system or the surroundings. Six restrictions were imposed
Spring 2012
ME 201
Thermodynamics
Homework 13 Solution
1. (5 pts) A reversible process has been defined as a process, which having taken place, can be
reversed and in so doing leaves no change in either the system or the surroundings. Six restrictions
wer
Spring 2012
ME 201
Thermodynamics
Homework #9 Solutions
1. (10 pts) A rigid wall, insulated container is divided into two regions by a removable wall. One
region contains 0.1 lbm of CO at 100F, while the other region contains 0.2 lbm of CO at 150F.
A stir
ME 382 Fall 2015
Homework 5
(Due Friday, October 23, 2015)
The questions identified with * are intended to be straightforward applications of what
has been covered in class
1.*
(a) Distinguish between a screw dislocation and an edge dislocation in terms
Spring 2006
Thermodynamics
Homework #8 Solution 1. Ten grams of water at 15C and 100 kPa completely fills a balloon. The balloon is then heated on the stove top at constant pressure until the temperature reaches 125C. Determine the boundary work in
ME201_S1 FSI6 HW2 Due Wednesday 09/21
*show your work: draw a system, including the dashedline boundary, and list any
assumptions youare making. WRITEEQUATIONS IN SYMBOL FORM before
plugging in numbers.
*check your units
*HW not graded pointbypoint, but f
Spring 2006
Thermodynamics
Homework 13 Due Friday, March 17, 2006 1. A reversible process has been defined as a process, which having taken place, can be reversed and in so doing leaves no change in either the system or the surroundings. Six restric
Spring 2012
ME 201
Thermodynamics
Homework #5 Solutions
1. (5 pts) Calculate the entropy change for N2 as it goes from 250 K and 1000 kPa to 1300 K and 60
kPa.
Solution:
Substance Type: Ideal Gas (N2)
Problem Type: Process
State2
State 1
T1 = 250 K
T2 = 1
ME201_S1 FS16 HW2  Due Wednesday 09/21
*show your work: draw a system, including the dashedline boundary, and list any
assumptions you are making. WRITE EQUATIONS IN SYMBOL FORM before
plugging in numbers.
*check your units
*HW not graded pointbypoint
ME 201
Thermodynamics
PistonCylinder Cycles (Internal Combustion Engine Cycles) Most internal combustion engines can be modeled as one of three piston/cylinder cycles. At the start of these cycles, the piston is out as far as possible, so that we ha
Spring 2006
Thermodynamics
Homework #8 Due Wednesday, 2/15/06 1. Ten grams of water at 15C and 100 kPa completely fills a balloon. The balloon is then heated on the stove top at constant pressure until the temperature reaches 125C. Determine the bou
Spring 2006
Thermodynamics
Homework 23, Due Friday, May 5, 2006 Extra Credit worth 10 points 1. Complete the following table for the properties of an air/water vapor mixture. Tdry bulb (C) 15 35 10 20 . Twet bulb (C) . 25 10 . . Rel.Hum. (%) 20 . .
Spring 2012
ME 201
Thermodynamics
Homework #10 Solutions
1. (30 pts) Three of the process that occur in the piston cylinder device of an internal combustion
engine are:
Process 1: Constant pressure heat addition during which the volume doubles
Process 2:
Spring 2012
ME 201
Thermodynamics
Homework #8 Solution
1. Ten grams of water at 15C and 100 kPa completely fills a balloon. The balloon is then heated
on the stove top at constant pressure until the temperature reaches 125C. Determine the
boundary work in
Spring 2006
Thermodynamics
Homework #9 Solutions 1. A rigid wall, insulated container is divided into two regions by a removable wall. One region contains 1 lbm of kerosene at 100F, while the other region contains 2 lbm of kerosene at 150F. A stirre
ME 382  Fall 2015
Homework 2
(Due on Friday, September 25, 2015)
The questions identified with * are intended to be more challenging / interesting
The answers may have been rounded.
1.
A set of strain gauges on the free surface of
ME 382 Fall 2015
Homework 4
(Due Friday, October 9, 2015)
The questions identified with * are intended to be more challenging / interesting
The answers may have been rounded.
1.
Use the phase diagram for copper and platinum shown below to answer
this ques
Spring 2012
ME 201
Thermodynamics
Exam #1 Solutions
Directions: Work all three (3) problems. The exam is open notes and open text book. All
problems have equal weight.
Problem 1
Consider the operation of a jet engine. Air enters the engine at 45,000 kg/s.
SHORT ANSWER! TRUEorFALSE I MULTIPLE CHOICE
4. A closed system has no change in internal energy during a process involving
work and heat transfer, but undergoes an altitudechange of 300m in a process
during which is starts and ends at rest. Which of the f
n
1. 0.2 kg of H20 is contained in a pistoncylinder assembly at a constant
equilibrium pressure of p = 0.3 MPa. The H20 is slowly heated in a
quasiequilibrium process, and thevolume of the H20 increases from 0.1814m3 to
0.2064m3. Friction between thepisto
2. A closed, rigid tank fitted with an electrical element contains 0.2kgof air, with
initial temperature and pressureof 600 K and 0.1 MPa. For 30 minutes, the
electrical element does work on the air, but with a timevaryingpower input of i4
= 15 t, where i
ME2OI_FSI6 HW8
Due Weds. 1110912016 at beginning of class. Graded for effort.
1. Chiller coils for an airconditioning system are shown at right.
Thesystem is operating in steady state. Outside air at 310 K (1)
is mixed with return air at 295 K (2). The mi
ME2OI_S2 FSI6 HW7 Due Wednesday 11102

*show your work (equations before plugging in), and list any assumptions you are making.
*check your units
*graded based on effort, not on accuracy
1) As shown in the figure, the working
system in a power cycle deve
ME2OI_S2 FSI6 HW6 Due Wednesday 10126
*showyour work (equations before plugging in), and list any assumptions you are making.
*check your units
*graded based on effort, not on accuracy
1. Transientanalysis: changing quality
initial, x
=
0.23
k
l~12O
A rig
ME201_S2 FS16 HW9  Due Wednesday 11/30
*show your work (equations before plugging in), and list any assumptions you are making.
*check your units
*Graded based on effort on every problem.
1. The figure below shows a simple vapor power cycle operating at
ME201_S2 FS16 HW7  Due Wednesday 11/02
*show your work (equations before plugging in), and list any assumptions you are making.
*check your units
*graded based on effort, not on accuracy
1) As shown in the figure, the working
system in a power cycle deve
ME201_FS16 HW8
Due Weds. 11/09/2016 at beginning of class. Graded for effort.
1. Chiller coils for an air conditioning system are shown at right.
The system is operating in steady state. Outside air at 310 K (1)
is mixed with return air at 295 K (2). The
Appendix A Course Syllabi
Course alpha,
number, title
ME 201 Thermodynamics
Required or elective
Required
Course (catalog)
description
Basic concepts of thermodynamics. Property evaluation of ideal gases and compressible
substances. Theory and application
NAME:_
SECTION NUMBER:_
ME350 Winter 2016
Homework #2 (45pts total)
Due Thursday January 28, by 3:00pm
Submit HW in the white wooden box outside of 1510 GGB
or in the cardboard box at the back of the ME350 lecture hall
1. Refer to the diagram shown on the
ME 201 Section#1: Thermodynamics
Final exam, Spring 2005
(3 problems,
l00pts)
Name:
StudentID:
1. An insulated,rigid tank is divided into two compartmentsby a frictionless, thermally
conducting piston. One compartmentinitia^llycontains I mr of helium gas