MIET2419: Mechanics and Materials 1
Class Test 1 Tuesday 11 March 2014 (Closed book exam), Time: 30 minutes
a cfw_ A: r W 5v. Given Student S
,1 K L: 3 :3 if i Name: ID
Family
Name: (
Quantity Write down the magnitude & unit of

MIET2419: Mechanics and Materials 1
. Class Test 2 - Tuesday 25 March 2014 (Closed book exam), Time: 30 minutes
I X1, X2 and X3 refers to specic digits of your SID as indicated above. X1 X2
I X = Your Unique Number (X1X2X3) I I

Question 1
1 out of 1 points
The internal shear force acts perpendicular to the cross-sectional area and
tends to cause the two segments of the body slide over one another.
Selected
Answer:
Answers:
Fals
e
Tru
e
Fals
e
Question 2
1 out of 1 points
The int

Question 1
0 out of 1 points
The kinetic frictional force is always larger than the maximum static
frictional force.
Selected
Answer:
Tru
e
Question 2
1 out of 1 points
Rigid bodies are convenient idealizations to make the study of mechanics
easier.
Selec

Question 1
1 out of 1 points
A positive internal bending moment M bends a beam element concave
upwards.
Selected
Answer:
Answers:
Tru
e
Tru
e
Fals
e
Question 2
1 out of 1 points
The parallel axis theorem can be sued to determine the centroid of a
composit

Question 1
10 out of 10 points
"In a truss, if three members form a joint for which two of the members
are collinear, the third one is a zero-force member provided no external
force or support reaction is applied to the joint."
Selected
Answer:
Tru
e
Que

Question 1
1 out of 1 points
"For a gear system in equilibrium, the reaction forces acting on two
engaged gears are equal in magnitude but opposite to each other."
Selected
Answer:
Answers:
Tru
e
Tru
e
Fals
e
Question 2
1 out of 1 points
Statically indete

Question 13
1 out of 1 points
"Due to bending, the longitudinal strain reaches to a maximum at the
outer surfaces of the beam."
Selected
Answer:
Answers:
Tru
e
Tru
e
Fals
e
Question 14
0 out of 1 points
"If the moment of inertia for an area is known about

Question 8
1 out of 1 points
"At any location x, the slope of the bending moment diagram is equal to
the area under the internal shear force V."
Selected
Answer:
Answers:
Fals
e
Tru
e
Fals
e
Question 9
1 out of 1 points
The parallel axis theorem is applic

Question 19
0 out of 1 points
Several couples that act on a rigid body and lie in the same plane or in
parallel planes may be combined into a single resultant couple without
changing the effect on the body.
Selected
Answer:
Fals
e
Question 20
1 out of 1 p

Question 10
1 out of 1 points
Newton s third law implies that forces must always occur in pairs.
Selected
Answer:
Tru
e
Question 11
1 out of 1 points
Collinear forces are concurrent and coplanar.
Selected
Answer:
Fals
e
Question 12
1 out of 1 points
The s

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, “59'2"
M I MIET2419: Mechanics and Materials 1
Class Test 2 —— Friday 12 Feb 2016 Time: 50 minutes
Student Number: (Note: Do not write your student name)
Useful info:
Impending Motion: = ,uxN Flat Belts: T2 = Tleyﬂ
Motion: Fk = ,ukN
P

Question 1
1 out of 1 points
The parallelogram construction is used for composition of forces but not
for resolving a force into components.
Selected
Answer:
Fals
e
Question 2
0 out of 1 points
Unit vectors are dimensionless.
Selected
Answer:
Fals
e
Quest

MIET2419: Mechanics & Materials 1
Aluminium Alloys
Dr. Akbar Khatibi
Semester 1, 2014
Aluminium Alloys
In this learning topic the following will be covered:
Engineering aapplications of aluminium alloys
Types of aluminium alloys
Advantages & disadvanta

MIET2419: Mechanics of Materials 1
Torsion
PROBLEM 55: 300 Nmf 590N511: 5 5;
k
(10-8) The solid 30mmdiameter shaft is used to transmit the torques
applied to the gears. Determine the absolute maximum shear stress on
_ M M, wcgvmk h _
the shaft

I 5’5CC t (“W7
Tutorial #2:
Choosing a material for the horizontal member of the power line support frame:
From Topic 1 lectures, we found that for an A606 steel:
Cross Section ' Dimensions Cross-Sectional Area(mm2)
Solid Circular 1 60mm OD

Question 1 ‘ _L5 marks)
A pair of lOON forces is applied to the handle of the pliers in the diagram below.
a) Draw a free body diagram which will help you calculate the magnitude of the
bending stress experienced at Point A, on the section a—a. Assume t

Unsymmetric Loading & Combined Loading: Tutorial Worksheet: Week Four
Tutorial Problems: Design Problem
We have been examining the use of an angle section for the horizontal member of the support
frame. We have an approximate bending load of 6kNm as shown

MIET2419- Mechanics and Materials 1
Review Questions (Structural Analysis)
1. Using the method of joints, determine the force in each member of the truss shown.
State whether each member is in tension or compression.
2. Determine the force in members IL,

MIET2419 Mechanics and Materials 1 Review Questions
Equilibrium of Rigid Bodies & Dry Friction
P1. (4-16) The airstroke actuator at D is used to apply a force of F on the member
at B. The normal reaction of the smooth shaft at C on the member is 300 N.
De

MIET 2134: Mechanics of Machines 1
Week 2
Home Work 2
Question 1
A 75 kg man stands on a spring scale in an elevator. During the first 3 seconds of motion from rest, the
tension T in the hoisting cable is 8300 N . Find the reading R of the scale in newton

Materials Questions and Answer
1) Whats the modulus of elasticity and how is it measured?
A: A value that describes how much a material will elastically deform under tension. It is
only valid during the elastic phase of deformation and is a measure of the

MIET2419- Mechanics & Materials 1
Strengthening Mechanisms
Semester 1 2014
Dr. Akbar Khatibi
COMMONWEALTH OF AUSTRALIA Copyright Regulations 1969
WARNING This material has been reproduced and communicated to you by or on
behalf of Royal Melbourne Institut

MIET2419: Mechanics and Materials 1
Class Test 1 — Friday 22 January 2016
Time: 50 minutes
sf
Student Number: ‘
P1: (25 Marks)
The tongs are used to grip the ends of the drilling pipe P. If a torque
(moment) of MP=3018 N.m is needed at P to tum t