DeGarmo's Materials and Processes in Manufacturing
12th Edition
ISBN: 9781118987674
Author: J. T. Black, Ronald A. Kohser
Publisher: WILEY
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Textbook Question
Chapter 39, Problem 10RQ
What features or characteristics might favor the selection of a silicone adhesive?
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A crate weighs 530 lb and is hung by three ropes attached to
a steel ring at A such that the top surface is parallel to the
xy plane. Point A is located at a height of h = 42 in above
the top of the crate directly over the geometric center of the
top surface. Use the dimensions given in the table below to
determine the tension in each of the three ropes.
2013 Michael Swanbom
cc00
BY NC SA
↑ Z
C
b
B
У
a
D
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.
Variable Value
a
30 in
b
43 in
4.5 in
The tension in rope AB is 383
x lb
The tension in rope AC is 156
x lb
The tension in rope AD is 156
x lb
A block of mass m hangs from the end of bar AB that is 7.2
meters long and connected to the wall in the xz plane. The
bar is supported at A by a ball joint such that it carries only a
compressive force along its axis. The bar is supported at end
B by cables BD and BC that connect to the xz plane at
points C and D respectively with coordinates given in the
figure. Cable BD is elastic and can be modeled as a linear
spring with a spring constant k = 400 N/m and unstretched
length of 6.34 meters.
Determine the mass m, the compressive force in beam AB
and the tension force in cable BC.
Z
C
D
(c, 0, d)
(a, 0, b)
A
B
y
f
m
cc 10
BY
NC SA
2016 Eric Davishahl
x
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.
Variable Value
a
8.1 m
b
3.3 m
с
2.7 m
d
3.9 m
e
2 m
f
5.4 m
The mass of the block is 68.8
The compressive force in bar AB is
364
× kg.
× N.
The tension in cable BC is 393
× N.
Chapter 39 Solutions
DeGarmo's Materials and Processes in Manufacturing
Ch. 39 - What would be some of the characteristics of an...Ch. 39 - What are some of the applications of adhesives in...Ch. 39 - What are some of the types of materials that have...Ch. 39 - What are some of the ways in which adhesives can...Ch. 39 - What is a structural adhesive?Ch. 39 - Prob. 6RQCh. 39 - What are some of the limiting characteristics of...Ch. 39 - What promotes the curing of cyanoacrylates? Of...Ch. 39 - Urethane adhesives might be favored when what...Ch. 39 - What features or characteristics might favor the...
Ch. 39 - How can the use of hot-melt adhesives be combined...Ch. 39 - What property enhancement characteristic is...Ch. 39 - What features or properties are provided or...Ch. 39 - What are some types of nonstructural or special...Ch. 39 - How can polymeric adhesives he made electrically...Ch. 39 - What types of radiation can be used with...Ch. 39 - What are some of the temperature considerations...Ch. 39 - What are some of the environmental conditions that...Ch. 39 - What is the difference between a...Ch. 39 - Why is it desirable for adhesive joints to be...Ch. 39 - Why are butt joints unattractive for adhesive...Ch. 39 - What types of joints provide large bonding areas?Ch. 39 - How does the strength of an adhesive joint vany...Ch. 39 - What are some common techniques by which surfaces...Ch. 39 - How can destructive testing and the examination of...Ch. 39 - Why are the structural adhesives an attractive...Ch. 39 - In view of the relatively low strengths of the...Ch. 39 - Why might an adhesive joint provide enhanced...Ch. 39 - What are some of the other attractive properties...Ch. 39 - In what ways might a structural adhesive offer...Ch. 39 - Why are adhesive joints unattractive for...Ch. 39 - Describe some of the ways that structural...Ch. 39 - What are some other common limitations to...Ch. 39 - What is weld bonding?Ch. 39 - What are some common types of mechanical...Ch. 39 - What factors would influence the selection of a...Ch. 39 - What types of fasteners are attractive if the...Ch. 39 - What factors determine the overall effectiveness...Ch. 39 - What is an integral fastener? Provide an example.Ch. 39 - What are some of the primary types of discrete...Ch. 39 - Prob. 41RQCh. 39 - What are some of the major assets of mechanical...Ch. 39 - What are some of the ways that fastener holes can...Ch. 39 - What is the benefit of a self-tapping fastener?Ch. 39 - What are some of the common causes for failure of...Ch. 39 - What are galvanic corrosion problems common when...Ch. 39 - From a manufacturing viewpoint, why is it...Ch. 39 - What are some of the ways that plastics can be...Ch. 39 - Why can the thermoplastic polymers be welded, but...Ch. 39 - Prob. 50RQCh. 39 - Describe several of the plastic joining processes...Ch. 39 - Prob. 52RQCh. 39 - How can metal inserts be used to produce welds in...Ch. 39 - Prob. 54RQCh. 39 - What is the difference between direct laser...Ch. 39 - Give an everyday example of solvent welding.Ch. 39 - What material property enables snap-fits to be a...Ch. 39 - Why are the crystalline ceramic materials...Ch. 39 - Prob. 59RQCh. 39 - Prob. 60RQCh. 39 - When materials are joined, interfaces are created...Ch. 39 - Some automakers are using adhesives and sealants...Ch. 39 - Select two types of additives to industrial...Ch. 39 - Identify at least five types of adhesives that...Ch. 39 - A contractor has installed aluminum siding on a...Ch. 39 - Mechanical fasteners are an attractive means of...Ch. 39 - Prob. 6PCh. 39 - Prob. 7PCh. 39 - Prob. 8PCh. 39 - Prob. 9PCh. 39 - Prob. 10PCh. 39 - You must devise a means of incorporating the...Ch. 39 - An additional joint occurs where the club head is...Ch. 39 - For production simplicity, it might be preferable...Ch. 39 - If the bonding process and resulting interface...Ch. 39 - Prob. 5CSCh. 39 - Prob. 6CS
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