Multiple choices questions (1 mark each)
1.
Which of the following statement is CORRECT?
(a) Atom has fixed size, it can thus be modelled as a hard sphere
(b) The atomic hard sphere model assumes that there is always a direction along which atoms are in
c
School of Mechanical and Chemical Engineering
MIDSEMESTER 1, 2014 EXAMINATIONS
ENSC1002
Material Behaviour from Atoms to Bridges
Name: _
Student Number: _
This Paper contains: 7 pages (including title page)
Time allowed: 90 minutes and 5 minutes
INSTRUCT
Faculty of Engineering, Computing and Mathematics
SEMESTER 1, 2012 SUPPLEMENTARY AND DEFERRED EXAMINATIONS
ENSC1002
MATERIAL BEHAVIOUR: FROM ATOMS TO BRIDGES
FAMILY NAME: _ GIVEN NAMES: _
STUDENT ID:
SIGNATURE: _
This Paper Contains: 8 pages (including ti
Faculty of Engineering, Computing and Mathematics
SEMESTER 1, 2012 EXAMINATIONS
ENSC1002
MATERIAL BEHAVIOUR:FROM ATOMS TO BRIDGES
FAMILY NAME: _
STUDENT ID:
GIVEN NAMES: _
SIGNATURE: _
This Paper Contains: 7 pages (including title page)
Time allowed: 3 ho
Multiple choices questions (1 mark each)
1.
Which of the following statement is CORRECT?
(a) Atom has fixed size, it can thus be modelled as a hard sphere
(b) The atomic hard sphere model assumes that there is always a direction along which atoms are in
c
Revision Documents for ENSC1002 MidSem Lectures 17
1) Calculate the atomic packing factor of a SCC cube cell.
2) Calculate the atomic packing factor of a BCC cube cell.
3) Calculate the atomic packing factor of a FCC cube cell.
4) Calculate the equilibr
ENSC1002  Midsemester review questions
Adapted from Materials Science and Engineering  An Introduction  8th Edition
1. Show that the atomic packing factor for a BBC cell is 0.68
2. Calculate the radius of a vanadium atom, given that V has a BCC crysta
Professor Hong Yang
Room: ENCM 2.18
Phone: 6488 3064
email: [email protected]
Materials Lecture 2. Structure and Imperfections in Crystalline Solids
Basic Syllables:
Atomic hard sphere model
Atomic packing factor
Simple, bodycentred and facecentred c
Professor Hong Yang
Room: ENCM 2.18
Phone: 6488 3064
email: [email protected]
Materials Lecture 7. Corrosion Fundamentals
Basic Syllables:
Nature of corrosion
Anode vs. cathode; oxidation vs. reduction
Standard EMF series
Nernst equation
Galvanic serie
Multiple choices questions (1 mark each)
1.
Which of the following statement is CORRECT?
(a) Atom has fixed size, it can thus be modelled as a hard sphere
(b) The atomic hard sphere model assumes that there is always a direction along which atoms are in
c
Final Exam Sem 2 2013 ENSClOOZMaterial Behaviour
from Atoms to Bridges
yenou one
[10 marks]
A roof truss structure ABC is shown in Figure 1. There are three point loads acting perpendicularly to
ACas P1=2kN, P2=4kN and P3=2kN.
Find the internai force in
lOMoARcPSD
Sample/practice exam July 2012, questions  supplementary
Material Behaviour From Atoms To Bridges (University of Western Australia)
Distributing prohibited  Downloaded by Saad Rehman ([email protected])
lOMoARcPSD
Faculty of Engineering,
lOMoARcPSD
Exam July 2014, questions
Material Behaviour From Atoms To Bridges (University of Western Australia)
Distributing prohibited  Downloaded by Nicole Wong ([email protected])
lOMoARcPSD
School of Mechanical and Chemical Engineering
MID
1. For atoms at the equilibrium separation distance, which of the following is correct?
(a)
(b)
(c)
(d)
The net force between atoms is zero;
The system energy is maximised;
The force of attraction between atoms is greater than the force of repulsion;
The
Handle
Function
The handle provides the purpose of supporting the entirety of the hair dryer making sure the barrel does
not detach whilst in use, while also containing and protecting important electrical components. Further
analysis inside the handle (se
Thermal Fuse
Function
The thermal fuse contains a cutoff which is two strips of metal soldered together with a fusible
alloy that has the function of melting at a certain temperature separating the two pieces. The
purpose of the component is to interrupt
Truss Bridge Report
Charlotte Simpson
The Truss Bridge
What is a Truss Structure?
A structure built using singular members connected at joints can generally be considered truss.
The designs of truss structures eliminate torsion and shear forces, these str
ENSC1002 Week 4 Quiz Answers
(Total 13 Marks)
1.
(1 mark) Which of the following statement is NOT correct?
(a) Fatigue failure often occurs at a mean stress level significantly lower than the yield
strength of the material
(b) Fatigue failure often occurs
Professor Hong Yang
Room: ENCM 2.18
Phone: 6488 3064
email: [email protected]
ENSC1002.Material Behaviour from Atoms to Bridges
Materials Fundamentals  Revision for Final Exam
About Final Exam:
Exam paper contains 5 questions:
Q1Q3: equal weighting
ENSC1002 Week 2 Quiz Answers
(Total 11 marks)
1. (2 marks) Explain the difference between a substitutional and an interstitial atom?
A substitutional atom is an atom who sits in a lattice site that is normally occupied by the host
atom (0.5 mark); it has
ENSC1002 Week 3 Quiz Answers
(Total 13 Marks)
1. (1 mark) Which of the following sentences is NOT true?
a) The Youngs Modulus (E) is a measure of a materials stiffness
b) Youngs modulus E relates Strain () to Stress () during elastic deformation
c) Youngs
ENSC1002 Week 1 Quiz Answers
(Total 14 marks)
1. (3 marks) A car travels 960 km in a day. What is its average speed in m/s? Show your process.
Note that:
converting km m, multiply by 103 (m/km)
converting day to h, multiply by 24 (h/day)
converting h t
Multiple choices questions (1 mark each)
1.
Which of the following statement is CORRECT?
(a) Atom has fixed size, it can thus be modelled as a hard sphere
(b) The atomic hard sphere model assumes that there is always a direction along which atoms are in
c
Professor Hong Yang
Room: ENCM 2.18
Phone: 6488 3064
email: [email protected]
Materials Lecture 3. Diffusion in Crystalline Solids
Basic Syllables:
Diffusion and diffusion mechanisms
Steady state diffusion Ficks 1st Law
Nonsteady state diffusion Fi
Henry Yap Chew Whuai
25/9/2016
ENSC1002  Week 8 Summary
What is a rigid body?
An idealization of a solid body in which deformation is neglected. The distance between any 2
given points of a rigid body remains constant in time regardless of external force
Henry Yap Chew Whuai
12/10/2016
ENSC1002 Truss Summary
What is a truss?
A structure composed of slender members joined together at their end points.
What is a planar truss?
Planar trusses are 2D trusses (lie in a single plane) which are often used to supp
Information Session 5. Corrosion, Electrical and Thermal Properties of Materials
Questions and Answers
Experiment  Galvanic Series
You need to test each material against all others. The order is Cu/ brass (about the same), then stainless
steel, steel, Al
Week 6 solns
Tuesday, 8 March 2016
3:13 PM
1 Determine the resultant R of the two forces applied to the bracket. Write R in term of: a) the reference system (x,y); b)
the reference system (x,y).

2 In tossing the sphere, a person exerts a 140 N force on
Week 7 solns
Wednesday, 9 March 2016
9:40 AM
Q1 determine the magnitude and location of the resultant force for the following loads
a)
b)
Q2 Replace the force system acting on the beam by an equivalent force and couple moment at
point B. (ignore the depth