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Sir Isaac Newton (1642 1727) was an English natural philosopher, a professor of
mathematics at Cambridge University, and president of the Royal Society. His
Principia Mathematica (1687), which deals with the laws and conditions of
mo
Product analysis
It is essential to meet the form, fit, and function requirements, and other design details of a
component. In a reverse engineering process, the parts physical features are determined by
measuring its geometric dimensions, and the toleran
DEDAN KIMATHI UNIVERSITY OF TECHNOLOGY
BSC MECHANICAL ENGINEERING
EMG 2506: REVERSE ENGINEERING
Preared By: Dr. J. N. KERAITA
APRIL 2016
SYLLABUS
Purpose
The purpose of this course is to enable the student to;
1. Appreciate the real world of design and pr
DEDAN KIMATHI UNIVERSITY OF TECHNOLOGY
BSC MECHANICAL ENGINEERING
EMG 2506: REVERSE ENGINEERING
Preared By: Dr. J. N. KERAITA
APRIL 2016
SYLLABUS
Purpose
The purpose of this course is to enable the student to;
1. Appreciate the real world of design and pr
QUALITY CONTROL
Introduction
Quality is an important factor when it comes to any product or service. With the high market
competition, quality has become the market differentiator for almost all products and services.
Therefore, all manufacturers and serv
Dedan Kimathi University
5th Year 1st Semester
EMG 2506
Reverse Engineering
Course description
Importance and purpose of reverse engineering, Intellectual property (IP) rights, Product
analysis, Stages of reverse engineering.
Sketching and detailing of a
DEDAN KIMATHI UNIVERSITY OF TECHNOLOGY
UNIVERSITY EXAMINATIONS 2015/2016
FIFTH YEAR FIRST SEMESTER EXAMAMINATION FOR THE DEGREE
OF BACHELOR OF SCIENCE IN MECHANICAL ENGINEERING
EMG 2506 REVERSE ENGINEERING
DATE: 10TH SEPTEMBER 2015
TIME: 2.00PM 4.00PM
INS
Product analysis
It is essential to meet the form, fit, and function requirements, and other design details of a
component. In a reverse engineering process, the parts physical features are determined by
measuring its geometric dimensions, and the toleran
Intellectual Property (IP) Rights
Intellectual properties are protected through patent, copyright, trade secret, trademark, service
mark, and mask work. Patents protect new, useful, and nonobvious inventions. Copyright
provides protection for an expressio
Product analysis
It is essential to meet the form, fit, and function requirements, and other design details of a
component. In a reverse engineering process, the parts physical features are determined by
measuring its geometric dimensions, and the toleran
Intellectual Property (IP) Rights
Intellectual properties are protected through patent, copyright, trade secret, trademark, service
mark, and mask work. Patents protect new, useful, and nonobvious inventions. Copyright
provides protection for an expressio
4.0
Part Durability and Life Limitation
Many mechanical components have life limits in their service due to the deterioration of their
durability over time. These limitations are either explicitly defined by mandating the
replacement of the part within a
EMG 2312 Metrology
Course Outline
1. Introduction to Metrology: standards of measurements; wavelength standards, line
and end-standards. System of international standards.
2. Mathematical concepts in metrology; errors, precision and accuracy.
3. Linear me
DEDAN KIMATHI UNIVERSITY OF TECHNOLOGY
DEPARTMENT OF ELECTRICAL AND ELECTRICS ENGINEERING
FOUTH YEAR BACHELOR OF SCIENCE
IN MECHANICAL ENGINEERING
Assignment 1
Figure 2 shows a mechatronic system that uses the 8085 microprocessor and Pulse
Width Modulatio
REVISION QUESTIONS
a) Discuss three 8086 interrupt classes
b) Explain the different types of port addressing modes and give an example for each case.
c)
Give the sum and the flag settings for SF, ZF, CF, OF, and PF after subtracting 3AB1 from each of the
Microprocessors And Assembly Language
Programming
Object1
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Home
Chapter 4 : Microprocessor Development System
POINTS TO REMEMBER
Microprocessor development systems
consist of peripherals, large memory,
mass storag
Microprocessor Systems
[1](8 marks) What happens during a read bus cycle in each of the following states?
a) T1: Addressisplacedonbus;ALE,DT/RandIO/Mactivated2
b) T2: RDsignalandDENactivated;READYsampledattheend
c) T3: IfREADYwaslow,thisisawaitstateandREA
http:/bama.ua.edu/~mweaver/courses/MechBeh/Day13.pdf
https:/en.wikipedia.org/wiki/Crystal_structure
Theoretical Cleavage stress
E 0
c
d0
Here,
is energy
0
is modulus
E
is inter planar spacing
d0
Inter planar spacing
1
1
1
d0 2 a 2 c 2
1
d0 2
1
0.7752
1
5
Force equation,
s
Fx k s d d 2 2 k mg k k s 2 d 2 d
s d
k kd 2
kd s
ks
k mg k kd
2
2
2
2
s d
s d
41.6 1.5 s
41.6s
0.18 2.5 9.81
2
2
s 1.5
2
0.18 41.6 1.5
0.18
41.6
1.5
2
2
s 1.5
62.4s
16.848
41.6 s
4.4145 11.232
2
2
2
2
s 1
the force elongation curve of a metal shown measured on a cylindrical rod
Force versus total length:
From the diagram,
At force
F 150 kN
, total length is
Stress,
F
A
150 103
0.025 2
4
3.05577 108 N/m 2
305.577 MPa
Strain,
l l0
l0
15.27 15
15
0.018
So
Consider a section x-x and Consider top section of x-x section
Similar triangles of truss
15 10
6 BF
BF 4 cm
15
5
6 CE
CE 2 cm
Length of BE
BE CE 2 BC 2
2 2 52
5.385 cm
Distance,
E ' F BF BE '
BF CE
Q BE ' CE
42
2 cm
Take moment about F
M 0
2
5
Air at 0.8 atm and 27 C flows across a 30 cm square plate with a velocity of 8 m/s. The
plate temperature is maintained at 110 C.
a. What is the average convective heat transfer coefficient?
b. What is the rate of heat transfer in W?
Film temperature
27 1
Free body diagram
Take moment about A
M 0
P 2L M A M 0
M A M P 2L
Forces in vertical direction
Fy 0
Ay P 0
Ay P
Consider a section x-x from fixed support
Take moment at section x-x
M X Px M A M
Px M P 2 L M
Solve the problem using principal of super-po
Find the position vector of AC and AB
rAC 0i 16 j 8k 16i 0 j 0k
rAB
16i 16 j 8k
8i 8 j 4k 16i 0 j 0k
8i 8 j 4k
Find the position vector of BD
rBD 8i 0 j 4k 8i 8 j 4k
8 j
Find the unit vector of BD
u BD
8 j
8 j
j
Find the force vector of BD
TB
By visualization the member CE is zero force member,
hence the force in member CE is zero
FCE 0
Consider a section
Take moment about E
M 0
FBC 2 P2 1 0
FBC 2 17 1 0
FBC 8.5 kN
Forces in vertical direction
Fy 0
2
FBE
P2 0
2
2
2
FBE
17 0
2 2
FBE 24
A car of mass 830kg traveling northward enters an intersection at 60 km/h.
The car is struck by a truck entering the intersection from its left.
The car is deflected by 16 degrees and recoils from the collision at 49.4 km/
https:/answers.yahoo.com/questio
A beam is built-up by bolting two 15 x 250-mm steel plates to two C310 x 37 steel
channels (see appendix b in photo) as shown in the Figure. The beam will be 5-m long, is
simply supported at its ends and carries a concentrated load of 125 kN at its center
Consider the ultimate strength of 1045 steel hot rolled
approximately is
ut 610 MPa
Find the fatigue limit or endurance limit
se ' 0.5 ut
0.5 610
305 MPa
Find the maximum fatigue limit or endurance limit
se ka kb kc k d ke se '
Find the correction fact
Measurements of a shot record on a videotape during a basketball game are shown. The
ball passed through the hoop even though it barely cleared the hands of the palyer B who
attempted to block it. Neglecting the size of the ball, determine the magnitude o
Equation (1)
(7)
Az C y
Equation (6)
Az Bz 692.82 0
Substitute equation (1) in equation (6)
C y Bz 692.82 0
8
Bz C y 692.82
Equation (2),
Bz 1 C x 2 0
Substitute
Bz C y 692.82
in equation (2)
Bz 1 C x 2 0
C y 692.82 1 Cx 2 0
2C x C y 692.82
C x 0.5C
(A)
Joint B
Horizontal equilibrium
TAB cos50 TBC cos 60
TAB cos50 20000cos 60
TAB 15557.238 lb
Vertical equilibrium
WD TAB sin 50 TBC sin 60
15557.238sin 50 20000sin 60
29238 lb
(D)
Equivalent spring constant for spring 1 and 2
Both springs 1 and 2 are
Variables,
Shear stress,
Viscosity,
Velocity,
Height,
N / m 2 ML1T 2
Pa.sec ML1T 1
du m / sec LT 1
dy meter L
Number of
n 43
terms
1
Find the
term
B
C
A du dy
LT
1 1 A
ML T
Compare
A 1 0
1 B
L C ML1T 2
M coefficient
A 1
Compare
T coefficient
(a)
Ratio,
di
t
di d 0 2 t
t
t
d0 2 t
t
3
5 2
32
3 / 32
51.33
Ratio,
di
20
t
so given cylinder thin cylinder
(b)
Hoops stress and longitudinal stress
pd
hoop 0
2t
380 5
3
2
32
10133.33 psi
pd
long 0
4t
380 5
3
4
32
5066.66 psi
Axi
The frame ACD is hinged at A and D and is supported by a cable that passes through a ring at B and is
attached to hooks at G and H. Knowing that the tension in the cable is 1600 Ib, determine
a) The moment about the diagonal AD of the force exerted on the