ME 3365 Introduction to Design
Homework 5
(Due: March 15, 2008)
l. A 2 1/2 X 2 V2 -in sleeve bearing uses grade 20 lubricant. The axial-groove sump has a
steady state temperature of HOT. The shaft journal has a diameter of 2.5 in with a
unilateral tole
ME 3365. Intro to Design. Assignment 1.
Based on reading in Juvinall and Marshek, pp. 3-29.
1. From your own experience and observation, describe briefly a specific example of
an engineering design that you regard as excellent from a safety, ecological, o
ME 3365. Intro to Design. Assignment 5.
Reading Chapter 10, pp. 411 - 430. Note that this is not the entire chapter.
1. A power screw with an Acme thread has an outer diameter of l in and a pitch of
0.200 in. The mean collar radius is 1 in.
(a) If both th
ME 3365. Intro to Design. Assignment 3.
Based on reading in Juvinall and Marshek, pp. 288-326.
1. A tensile impact bar, similar to the one in Figure 7.4a, fractured in service. A
technician makes a new bar exactly like the old one except the middle third
ME 3365. Intro to Design. Assignment 4.
Reading Chapter 8, pp. 326348. Note that this is not the entire chapter.
1.
2
3
4.
01
8.23
8.28
. 8.39
8.42
. Go to the weblinks section of our blackboard class and click on Biology of B
, Movie Monsters, which I th
ME 3365. Intro to Design. Assignment 1.
Based on reading in J uvinall and Marshek, pp. 3-29.
1. From your own experience and observation, describe briey a specic example of
an engineering design that you regard as excellent from a safety, ecological, or
s
ME 3365. Intro to Design. Assignment 2.
Based on reading in Juvinall and Marshek, pp. 248-281.
1.
0
. A thin plate with 211)
A steel plate in the hull of an oil tanker is 25 mm thick and 30 m wide. The steel
has a yield strength of 240 M Pa, and it is loa
ME 3365. Intro to Design. Assignment 6.
Reading Chapter 10, pp. 430 - 462. Note that this is not the entire chapter.
/1. A double D-ring assembly such as we have discussed in class is preloaded to an
initial tension of 6000 lb. An external tensile load is
ME 3365. Intro to Design. Assignment 7.
Read Chapter 11, pp. 472-489. Note that this is not the entire chapter.
1. 11-1. Base calculation on a yield strength in the weld metal of Sy = 48 ksi.
2. 11-9.
3. 11-13. Base calculation on a yield strength in the
Zolt
ME 3365. Intro to Design. Assignment 6.
Reading Chapter 8, pp._401 - 414. Note that this is not the entire chapter.
1. A power screw with a square thread has an outer diameter of 1 in and a pitch of
0.200 in. The mean collar radius is 1 in.
(a) If bo