Ethical Theories :
The four ethical theories :
1)Aristotles Virtue Ethics :/
- Aristotle said that virtue is practical and the purpose of ethics is to become good
-He claims that the right course of action depends on the details of partic
Oaths Flash back :
-Imhotep (4700 years ago): Was a medicine man and the first known engineer and
-I will adopt the procedure which is my best judgment beneficial to my patients and not for
their injury or for any wrongful purp
Ethics Engineering Profession :
A professional Engineer is : /
1) Has Bachelors degree in engineering
2) Performs Engineering Work
3) A registered C.E or P.E
4) Acts in a morally responsible way while practicing engineering
How We View Ourselves : /
Engineers Obligation :
1) Obligation To society :/
a) Responsibility .
-Engineers foremost responsibility is to the public welfare.
-Engineers should approve designs that safe to life ,health and property of public.
Professional Rules of Conduct :/
Honesty and Integrity :/ Engineers should:
1) Admit their errors and not change the facts.
2) Advice the clients when they believe the project isnt successful.
3) Not accept and any outside employment to the dis
Methods For Analyzing Ethical Problems
Issues involved in understanding ethical problems
1) Factual Issues ; Gather facts and find the truth of the issue
-sometimes facts arent clear
was the gift offered or requested ?
2)Conceptual issues : involves meani
Soil Mechanics Chapter 2
Soil can be classified into :
1) Cohesionless :particles dont tend to stick together , Gravel , Sand , Silt
Gravel has particle sizes greater than 2 mm, sand range from 0.1 to 2mm , Silt from
0.005 to 0.1 mm
2)Cohesive; they are v
Soil Mechanics Chapter 1
Soil Particles are formed due to : 1) Weathering of Rocks
2) Decay of Vegetation
Over time , soil particles consolidate to become Rock.
The soil that results from a weathering process differs due to
a) Type of rock
b) The Weath
Datum : Level surface with respect to which the levels of points are measured or referred to , could be
arbitrary surface or a standard surface.
Bench Mark: Permanent or semi-permanent physical mark of known elevation .Its set as point of
reference to det
Surveying : is the art of determining the position of points on the surface of earth or beneath it in a
Levelling : is the art of determining the position of point a vertical plane.
Importance of Surveying :
-Surveying is a basic require
Quality management : Chapter 5:/
SPC Statistical Process Control : its collection of tools thats when used together can result in
process stability and variability reduction.
- Variability is a major source of poor quality , SPC and Design of Experiments
Quality Management Chapter 2
DMAIC is a standard problem solving technique consists of
Its usually associated with six sigma but can be used with any business or process improvement effort.
DMAIC VS DFSS:
Quality Management Chapter 1
Eight Dimensions of Quality for PRODUCTS:
1) Performance 2) Reliability 3)Durability 4) Serviceability 5)Aesthetics
8) Conformance to standards
Eight Dimensions of quality for SERVICE :
Quality Management Chapter 6
Variable : Quality Characteristic of the process output thats measures on numerical scale weight
-When we deal with variability in a measured quality characteristic ,we monitor both sample mean
and sample variance.
Quality Management Chapter 15
Acceptance sampling is concerned with inspection and decision making regarding the products.
Three aspects of sampling are important :
1) Involves random sapling of an entire lot
2) Accept and Reject lots Lot Sentencing
Quality management : Chapter 4:/
Statistical inference : Its to draw and write conclusions about processes and populations based on
sample data from the system.
Random Sample: when a sample is selected so the observations are independent, it has the same
Quality Management Chapter 3
IQR= Q3-Q1 ( Measure of variability)
Sample Average : is a measure of central tendency , which represents the center of mass of the
Sample Variance: The larger the sample variance ,the greater is the variability
Quality Management Chapter 7
Control Charts for Fraction nonconforming : p chart (fraction nonconforming )
and np chart (number of nonconforming items)
Control Charts for nonconformities : C chart (defects) and U chart (defects per unit)
Output can be cl
Quality Management Chapter 9
CUSUM: Cumulative Sum Control Chart
EWMA :Exponentially Weighted Moving Average control chart
Shewart Charts :
-Provide information about last sample observation
-Ignores any information given by the entire sequence of point