MEEN 222 Section 501 Fall 2011
Test I
September 21, 2011
Name:
_SOLUTION _
GENERAL INSTRUCTIONS:
A.
B.
C.
D.
Exam time: 50 min
Read carefully each question
Numerical problems without clearly indicated procedure will be considered incomplete!
Sign Aggie ho
MEEN 222 Section 503 Fall 2008
Exam II
November 18, 2008
Name:
_Miladin Radovic Answers _
GENERAL INSTRUCTIONS:
A. B. C. D.
Exam time: 1 hour and 25 min Read carefully each question Numerical problems without clearly indicated procedure will be considered
TRUE/FALSE
Radicals dont change their identity during chemicals reactions.
Melting T of polymers is typically increasing with their molecular weight
Atomic number is equal to the number of protons in nucleus atom
Valence electrons determine most of proper
MEEN 222-502
Fall 2008
Homework #5 Due: 5 November 2008 at the beginning of class 1. Callister 8.4 The maximum allowable surface crack length for MgO may be determined using Equation 8.3; taking 225 GPa as the modulus of elasticity (Table 12.5), an
MEEN 222-502 Exam #1 October 6, 2008
Name: _
UIN: _
General Instruction A. Exam time: 50 min B. Closed Book. No noted allowed. Keep your eyes on your own paper. C. Read carefully each question. D. The last page of the test packet contains useful i
MEEN 222-502
Fall 2008
Homework #7 Due: 26 November 2008 at the beginning of class 1. Callister 16.4 (a) Concrete consists of an aggregate of particles that are bonded together by cement. (b) Three limitations of concrete are: (1) it is a relativel
MEEN 222 Section 503 Fall 2008
Exam II
November 18, 2008
Name:
_ _
GENERAL INSTRUCTIONS:
A. B. C. D.
Exam time: 1 hour and 25 min Read carefully each question Numerical problems without clearly indicated procedure will be considered incomplete! Sign Aggie
MEEN 222 Section 501 Fall 2012
Test I
September 21, 2011
Name:
_SOLUTION _
GENERAL INSTRUCTIONS:
A.
B.
C.
D.
Exam time: 50 min
Read carefully each question
Numerical problems without clearly indicated procedure will be considered incomplete!
Sign Aggie ho
MEEN 222 Section 501 Fall 2012
Test 2
October 08, 2012
Name:
SOLUTION
GENERAL INSTRUCTIONS:
A.
B.
C.
D.
Exam time: 50 min
Read carefully each question
Numerical problems without clearly indicated procedure will be considered incomplete!
Sign Aggie honor s
E-Questions
1.*Rank the cutting tool performance:
Diamond>CBN>WC>HSS
2.*When increasing the rotating speed of a drill bit from 315 rpm to 400, the cutting
speed increases approximately: 25%
3.*According to the Merchants equation, an increase in rake angle
MEEN 222-502
Fall 2008
Homework #1 Solution 1. Callister 2.7 The electron configurations for the ions are determined using Table 2.2 (and Figure 2.6). P5+: P3-: Sn4+: Se2-: I-: Ni2+: 1s22s22p6 1s22s22p63s23p6 1s22s22p63s23p63d104s24p64d10 1s22s22p6
MEEN 222 Section 501 Fall 2011
Test I
September 21, 2011
Name:
_ _
GENERAL INSTRUCTIONS:
A.
B.
C.
D.
Exam time: 50 min
Read carefully each question
Numerical problems without clearly indicated procedure will be considered incomplete!
Sign Aggie honor stat
MEEN 222 Section 501 Fall 2009
Exam 2
December 4, 2009
Print Name:
_SOLUTION_
GENERAL INSTRUCTIONS: A. B. C. D. Exam time: 50 min Read carefully each question Numerical problems without clearly indicated procedure will be considered incomplete! Sign Aggie
Adolf Eugen Fick (born 3 September, 1829, in Kassel, Germany; died 21 August, 1901, in Blankenberghe, Flandern) was a German physiologist usually credited with the invention of contact lenses. In 1855 he introduced Fick's law of diffusion, which governs t
SOLUTIONS TO PROBLEMS PREFACE
This section of instructor's resource materials contains solutions and answers to all problems and questions that appear in the textbook. My penmanship leaves something to be desired; therefore, I generated these solutions/an
7-4 Frames and Machines
two common types of structures that have at least
one multi-force member.
Frames are generally stationary and support external
loads.
Machines contain moving parts and are designed to alter the
effect of forces.
Method of Solution
Appendix B: 14A Homework Assignments 222-501
HW #
Due Date
Assignments and Problems
1
01/17/2013
Identify key concepts and the important content in Chapter
2 in outline form; (problems 2.3, 7, 11, 18, 22, 23 are for practice)
2
01/24
ID key concepts from
Chapter 3: The Structure of Crystalline Solids
ISSUES TO ADDRESS.
How do atoms assemble into solid structures?
(for now, focus on metals)
How does the density of a material depend on
its structure?
When do material properties vary with the
sample (i.e.
CHAPTER 14:
POLYMER STRUCTURES
ISSUES TO ADDRESS.
What are the basic microstructural features?
How are polymer properties effected by
molecular weight?
How do polymeric crystals accommodate the
polymer chain?
Chapter 14 - 1
Chapter 14 Polymers
What is
Chapter 10 - 2nd Moments of Area
Chapter 5 Centroids 1st Moments of Area
Distributed Loads resultant force is function
of area under load curve
There are other distributed forces that depend on area and
distance from some axis.
Symbol for 2nd Moment:
Det
POLYMERIC MATERIALS (POLYMERS)
General Structure
The name polymer gives an indication of the structure of these materials. Poly means many and
mer means units. Polymeric structures are either long chains of repeating molecules (called
macromolecules) or l
Chapter 13-5 Plane Curvilinear Motion
1) Rectangular Coordinates
2) Polar Coordinates (Cylindrical)
3) Normal/Tang Coordinates (Path)
1) Rectangular Coordinates
2)Polar Coordinates (radial/transverse coordinates)
e
e
e
e
Acceleration
e
e
e
e
The ladder of
DT 05 Discussion Topics/Questions Defects on Crystals
Callister Chapter 4; Homework 4.2, 4, 5, 7, 25, 29, 33
1. By definition, explain what a crystalline defect is? Describe as many different crystalline
defects as you can, and then organize them into fun
Chapter 6 Equilibrium of Rigid Bodies
Rigid Bodies: forces are not concurrent
Replace general force system with equivalent system
For Equilibrium
Forces and moments are either
External:
Applied Loads or couples
Weight
Support Reactions
Direct Contact with
8.4 Shear Forces and Bending Moments in Beams
Beams: structural members designed to support
perpendicular loads
To design - need to know variation of
internal shear force
bending moment
Loading can be :
V
V
Beams classified based on supports
Variations of
7-2.1 Method of Joints
Find the force in each member of the truss.
State if the member is in tension or compression.
7-2.2 Zero Force Members certain members carry no load
Case 1)
Case 2)
7-2.3 Method of Sections
Determine the forces in members CG and GH.
Chapter 4) Rigid Bodies - Moment Systems
3rd method: Use vector approach for moment calculations
O
a
r
F
Two forces are applied to a post as shown. Determine:
a)
The moment of the 250 N force about point A
b)
The moment of the 500 N force about point A
In
MSEN 222 501: Spring 2017
Today: Ch. 4
Defects in crystalline structures
1. Type of defects
2. Structure and defects
1
Imperfections in Solids
StrengthofIronWhiskers
Ironwhiskers:
Smallfilamentsofiron
Verylittledefects
Imperfections in Solids
Imperfect
MSEN 222 501: Spring 2017
Lecture 4
1. The Structure of Ceramics (today)
2. Polymers structure (Thursday)
1
The Structure of Ceramics Chapters 12.1-12.4
Compounds between nonmetallic or metallic and nonmetallic
elements (oxides, nitrides and carbides).
Ad
MEEN 222
EXAM 2 Formula Sheet
Imperfections in Solids
Types of Imperfections
Vacancy atoms
Interstitial atoms
Substitutional atoms
Point defects
Dislocations
Line defects
Grain Boundaries
Area defects
Imperfections in Solids
Vacancies:
-vacant atomi