introduction to reliability and maintainability engineering
ENGINEER 483

Fall 2015
THE UNIVERSITY of TENNESSEE
Industrial & Systems Engineering
IE 483 Introduction to Reliability Engineering
Assignment 2
Covering Lecture 2
Question 1) Craps. In the game of craps, a player rolls two balanced dice. Thirtysix
equally likely outcomes are p
introduction to reliability and maintainability engineering
ENGINEER 483

Fall 2015
THE UNIVERSITY of TENNESSEE
Industrial & Systems Engineering
IE 483 Introduction to Reliability Engineering
Quiz 1
Covering Lecture 1
Question 1)
Which one of the following components is NOT explicitly mentioned in the definition of
reliability?
a) Probab
introduction to reliability and maintainability engineering
ENGINEER 483

Fall 2015
THE UNIVERSITY of TENNESSEE
Industrial & Systems Engineering
483 Introduction to Reliability Engineering
Assignment 5
Covering Lecture 5
Question 1) Five percent of a certain grade of tires wear our before 25,000 miles, and
another 5 percent of tires exce
introduction to reliability and maintainability engineering
ENGINEER 483

Fall 2015
THE UNIVERSITY of TENNESSEE
Industrial & Systems Engineering
IE 483 Introduction to Reliability Engineering
Assignment 3
Covering Lecture 3
Question 1) A smoke detector is routinely inspected. 80% of the detectors found
inoperative had experienced a power
introduction to reliability and maintainability engineering
ENGINEER 483

Fall 2015
THE UNIVERSITY of TENNESSEE
Industrial & Systems Engineering
IE 483 Introduction to Reliability Engineering
Quiz 5
Covering Lecture 5
Question 1)
The probability that a component remains functional after 3 years is 0.85. Eight such
identical components ar
introduction to reliability and maintainability engineering
ENGINEER 483

Fall 2015
THE UNIVERSITY of TENNESSEE
Industrial & Systems Engineering
IE 483 Introduction to Reliability Engineering
Quiz 2
Covering Lecture 2
Question 1)
Find the probability P( A B) (the event A is a circle area on the left, the event B is
a circle on the right)
introduction to reliability and maintainability engineering
ENGINEER 483

Fall 2015
THE UNIVERSITY of TENNESSEE
Industrial & Systems Engineering
IE 483 Introduction to Reliability Engineering
Quiz 3
Covering Lecture 3
Question 1)
What is the system reliability illustrated in the figure? Please round your answer to 2 decimal
places.
A
0.9
introduction to reliability and maintainability engineering
ENGINEER 483

Fall 2015
THE UNIVERSITY of TENNESSEE
Industrial & Systems Engineering
IE 483 Introduction to Reliability Engineering
Assignment 1
Covering Lecture 1
Question 1) Please provide short answers for the following:
i. What is reliability? Why is important to consider re
introduction to reliability and maintainability engineering
ENGINEER 483

Fall 2015
THE UNIVERSITY of TENNESSEE
Industrial & Systems Engineering
483 Introduction to Reliability Engineering
Assignment 6
Covering Lecture 6
Note: Please upload your entire assignment as one file. Pictures taken with a camera
must be pasted onto a word doc or
introduction to reliability and maintainability engineering
ENGINEER 483

Fall 2015
THE UNIVERSITY of TENNESSEE
Industrial & Systems Engineering
IE 483 Introduction to Reliability Engineering
Quiz 4
Covering Lecture 4
Question 1)
Given the hazard rate function ( t )=6 106 t where t is measured in operating hours, what
is the design life
introduction to reliability and maintainability engineering
ENGINEER 483

Fall 2015
THE UNIVERSITY of TENNESSEE
Industrial & Systems Engineering
IE 483 Introduction to Reliability Engineering
Assignment 4
Covering Lecture 4
Question 1) A manufacturing company produces many different products for wholesale
distribution. Its flagship produ
Abdullah Alanezi
Dr. Denkenberger
Assignment 5
10/15/2015
8.17Dieselpoweredtrucksareatargetforconversiontonaturalgas.Digdeeper
intothissubjecttofindoutwhathashappenedtobringthisabout.
In general, we know that trucks require diesel fuel and it is not frien
P4 Stress and Strain
Dr. A.B. Zavatsky
HT08
Lecture 6
Mohrs Circle for Plane Stress
Transformation equations for plane stress.
Procedure for constructing Mohrs circle.
Stresses on an inclined element.
Principal stresses and maximum shear stresses.
Introdu
Lecture 1:
Course overview
Assignment: Read Chapter 1 of Dieter
Materials Science is a disciplinary field to correlate the properties (e.g. physical, chemical, thermal,
electrical, magnetic, optical, and mechanical .) of a material with its microstructure
STRESSSTRAIN CURVES
David Roylance
Department of Materials Science and Engineering
Massachusetts Institute of Technology
Cambridge, MA 02139
August 23, 2001
Introduction
Stressstrain curves are an extremely important graphical measure of a materials mec
Methods to measure elastic constants
To accurately measure elastic constants is not trivial. The test machine must be rigid (i.e., with
negligible compliance). In uniaxial tension, Hookes law gives
E=
total
where total is the the total measured strain. I
The criterion for plastic instability in engineering materials, which are strainhardened and follow the
Hollomon equation ( = A N ), is
d
=
d
necking = N
Substitute = S (1 + e) and = ln(1 + e) into the instability equation,
Sde + (1+ e)dS = d = d = S(1+
Lecture 3 Tensors, Coordinate Transformation, Mohrs Circle
A generalization method to transform from one coordinate system to another TENSOR
TRANSFORMATION
Consider the general 2D (plane stress) case
yy
y
y
yx
y
y
y
x
xy
x
x
xx
x
x
xx xy
=
yx yy
=
x '
9
Strain rate effect and strain rate sensitivity
4
3
T ~ 0.3Tm
2
stress
Conventional tensile tests are carried out at
a constant strain rate.
The strength of a material usually increases
with strain rate. On the other hand, strain to
failure usually de
LECTURE
Third Edition
FAILURE CRITERIA: MOHRS
CIRCLE AND PRINCIPAL STRESSES
A. J. Clark School of Engineering Department of Civil and Environmental Engineering
22
Chapter
7.4
by
Dr. Ibrahim A. Assakkaf
SPRING 2003
ENES 220 Mechanics of Materials
Departme