Jess Jones
Group 1
Fundamentals of Mechanical Design
Test Problem
Problem Statement:
The cost to manufacture a product using method A is estimated by CA=13+0.75*P. The cost using
method B is estimated by CB=45+0.75*P-0.004*P2. The cost C is in dollars and

_ k
MCEG 3013 m 5
Quiz 12
Coordinate Transforms
For the unit cube shown, determine the magnitude of the shear stress Txy that will put the plane of the
weld (which is at exactly 45 degrees relative to the x/y axis) into principle orientation about the Z a

Machine Dynamics
Test Problems
Problem Statement:
Given a fourbar linkage with the link lengths L1=d=150 mm, L2=a=10 mm, L3=b=50 mm,
L4=c=120 mm. For 2=60 find all possible values of 3 and 4.
Solution:
K1=
d
a
=
150
10
= 15
K2=
d
c
=
150
120
= 1.25
K3=
a2

MCEG 3013
Quiz 11 bb March 15, 2016 Fran f'
Personal Notes and Class Handouts ONLY
1. The two pressure tanks shown are both constructed from 6061-T6 A1 with a maximum tensile strength of
60 ksi, 1/2 thick. The only difference between them is that one is w

%problem 4-33
for x= 1.8:.1:2.5
%the step count listed in problem
y1=-x^3-(2*x^2)+(50*x)+60; %equation 4-38
if y1 <=.0001 &y1>=0
%tolerance of .0001 for
iterations
end
m= (-3*x^2)-(4*x) +50; %equation for m
x1 = x-y1/m;%equation for x1 for the first
itera