ME 221 Fall 2016
HW#7 (Due Nov 8th)
NAME:_
A compressor compresses air from 200kPa and 407oC to 1100kPa and 827oC at the exit.
What assumptions do you make about the ideal compressor, list them clearly
Apply the 2nd law for an open system, determine the t
ME 221 Fall 2016
HW#2 Due Sept 15th
You do not need to follow the homework guidelines to complete this assignment
Complete the following table for H2O (Show work for interpolation below)
#
T, oC
P, kPa
, m3/kg
1
100
101.42
1.6720
2
110
3
250
4
250
(if
Sa
ME 221 Fall 2016
HW#3 Due Sept 22nd
1) Two containers are separated by a valve. The first container holds 2kg of air at
1200kPa and 93oC. The second container holds 30L of air at 2000kPa and 60 oC.
The valve is opened and the two contents mixed. What is t
ME 221 Fall 2016
HW#1 Due Sept 8th
1. Accounting for Units (Show conversion and cancelation clearly)
a. What is the volume of 50g of water ( = 1000kg/m 3) in mL
b. What are the SI units of force, mass, height, and acceleration?
c. What are the SI units of
ME 221 Fall 2016
HW#6 Due Nov 1st
1. You return to your home after vacation having turned off the air conditioning to
save power. Your 800m 2 home with 3m tall ceilings is at 35oC. If the air in the
house is cooled off to 25oC in 45 minutes and the AC uni
ME 221 Fall 2016
HW #8 (Due Dec 8th)
H2O is used as the working fluid in a simple, ideal Rankine cycle that has a turbine inlet condition of
10MPa and 600oC and a condenser pressure of 75kPa. If the fluid enters the pump as a saturated
liquid, what is the
ME 221 Fall 2016
HW#5 Due Oct 20th
1. Air steadily enters a turbine at 1000kPa and 1000K and exits at 200kPa and 500K.
15kJ/kg of heat leaves the turbine during this process. If the total mass flow rate
is 10kg/s, determine the work output in kW. Neglect
ME 221 Fall 2016
HW#4 Due Oct 4th
1) A room is initially at the outdoor temperature of 25 oC when a large fan is turned
on. The fan uses 200W of electricity to circulate air through the room. When the
room temperature begins to increase, heat transfer occ
ME 212, Spring 2017
Chapter 6, A5 (Bending)
This assignment is due on Monday, March 6 th for the section 001 and Tuesday, March 7 th for 002.
In this chapter we need to determine bending stresses in prismatic beams. The loading is usually a
combination of
ME 212, Spring 2017
A7 (Chapter 9 Stress Transformation)
This assignment is due on Monday, April 3rd for section 001 and Tuesday, April 4th for section 002.
Please note that Dr. Knudsen will be out of town and there will be NO class held the week of April
ME 221 Spring 2017
HW#6.1 Due March 20th
A 200L hot water heater is used for a shower. Saturated liquid water leaves the hot water heater
at 70oC and exits the shower head which has a diameter of 2cm with a velocity of 1m/s.
a. Determine the time rate of
Chapter 3
LAWS OF ENERGY CONVERSION
ENERGY OUTPUT = ENERGY INPUT
USEFUL ENERGY OUTPUT ENERGY INPUT
2
CHAPTER3
The quantity of energy in the Universe is constant. To understand this statement we must
step back in time all the way to the beginnings of our s
GOVT 132. Test 1 study guide:
Topics of special attention. Samples of questions for test 1. Chapters 1-2.
Key lecture slides are posted.
For the exam, bring a scantron (a sample is posted here).
The exam will consist of 50 multiple-choice questions.
Recom
Introduction:
Induction: An induced emf is produced by a changing of magnetic field. If a magnet were to pass
through a coil, a current is induced within the coil, when the magnet is removed a current is
induced in the opposite direction. It wouldnt matte
SYLLABUS
ME 231 Dynamics
Spring 2017
Professor: Dr. Hans Mirzaei
Assignment Reading guides contain short answer and true-false questions that
Submission: cover assigned reading topics. Reading guides are discussed at the
beginning the lecture, and therefo
ME 211: Exam 3 Review Guide
Exam will be held during class on:
Wednesday, October 5, 2016 (Sec 1 and 3)
Thursday, October 13, 2016 (Sec 2)
Review will be for (30mins) in class on 11/7 and 11/8!
Exam 3 will be similar to Exams 1 and 2: 4 problems (1- Readi
ME 221 Spring 2017
HW#8.1 Due April 4th
A closed, piston cylinder device undergoes an adiabatic process where air is compressed from T 1
= 350K and P1 = 200kpa to P2 = 400kPa. If the entropy generated during this process is 0.1
kJ
kg K
determine the final
Exam 2 review Guide
Exam will be held during class on:
Wednesday, October 5, 2016 (Sec 1 and 3)
Thursday, October 13, 2016 (Sec 2)
Review all HW problems Ch 3 and Ch4: (For Ch3: Be sure to know how to do
problems like Quiz #3 or force equilibrium problems
ME 211 Statics
Due Date 11/17/2016, 5PM
Reading Guide #15
8.1 8.3
Name and Section:_
1. F is a limiting static frictional force Fs when it reaches a maximum value needed to
maintain equilibrium. (True or False) pg 393
2. The frictional force acts perpendi
ME 211 Statics
Due Date 10/27/2016, 5PM
Reading Guide #12
Sections 7.1-7.2
NameandSection:
KEY
1. Why is it necessary to determine internal loadings?
It is necessary to determine internal loadings so that we can determine whether or not the
material can
ME 211 Statics
Due Date 10/13/2016, 5PM
Reading Guide #10
Sections 5.4 5.9
NameandSection:_KEY_
1.
Define both two and three force members. How can they be useful when solving
problems in 2D rigid body equilibrium?
A two-force member has forces applied at
ME 211 Statics
Due Date 11/10/2016, 5PM
Reading Guide #14
7.3-7.4
Name and Section:_
1. Distributed load are considered negative when the loading acts upwards. (True or False)
negative, downwards and positive upwards.
2. The slope of shear diagram is equa
ME 211 Statics
Due Date 11/17/2016, 5PM
Reading Guide #16
9.1 9.2
Name and Section:_KEY_
1. When an object is symmetrical about an axis, the centroid of the object lies on its axis. (True (pg
489) or False)
2. A composite body does not consist of a series
ME 211 Statics
Due Date 11/10/2016, 5PM
Reading Guide #13
7.2-7.3
Name and Section:_
1. External forces arise from contact or gravitational attraction. (True or False)
2. Point and distributed loading and weight are all examples of internal forces. (True
ME 212, Spring 2017
Chapter 7-8, A6 (Transverse shear & Combined loading)
This assignment is due on Wednesday, March 22 nd for the section 001 and Thursday, March 23rd for 002.
Problem 1
For the beam and loading shown, examine section n-n and compute a) t
Spring 2017: A10 (11.19, 20, 24-25, 28)
Due: 3/6/2017
Problem 11.19
Using the isothermal transformation diagram for an ironcarbon alloy of eutectoid composition (Figure
11.23), specify the nature of the final microstructure (in terms of microconstituents