Bundle: Welding: Principles and Applications, 8th + MindTap Welding, 4 terms (24 months) Printed Access Card
8th Edition
ISBN: 9781337219426
Author: Larry Jeffus
Publisher: Cengage Learning
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Textbook Question
Chapter 7, Problem 37R
What factors regarding a cut can be read from the sides of the kerf after a cut?
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Students have asked these similar questions
A crate 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 = 121.92 cm above the top of the
crate directly over the geometric center of the top surface.
Use the given dimensions from the table below to perform
the following calculations:
→>
a.) Determine the position vector IAD that describes rope
AD.
b.) Compute the unit vector cд that points from point C to
point A.
c.) If rope AB carries a tension force of magnitude FT = 760
→
N, determine the force vector FT that expresses how this
force acts on point A.
Express each vector in Cartesian components to three
significant figures.
2013 Michael Swanbom
↑z
BY NC SA
b
x
B
У
a
D
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale. Be sure to align
your cartesian unit vectors with the coordinate axes shown in
the figure.
Variable Value
a
101.6 cm
b
124.46 cm
с
38.71 cm
a. rдD =
+
b. ÛCA
c. FT=
=…
F3
N<
Ꮎ
2
F2
-Y
F1
There are 3 forces acting on the eye bolt.
Force F1 acts on the XY plane has a magnitude of 536 lbf,
and the angle of 0 = 38°.
Force F2 acts on the YZ plane has a magnitude of 651 lbf,
and the angle = 41°.
Force F3 has a magnitude of 256 lb, and coordinate.
=
f
direction angles of a 71°, B = 115°, and y = 33°.
Determine the resultant force on the eye bolt.
FR = (
+
k) lbf
FR magnitude:
FR coordinate direction angle a:
deg
FR coordinate direction angle ẞ`:
deg
FR coordinate direction angle y:
deg
lbf
Ball joints connect the ends of each of the struts as shown.
The resulting structure supports a force of F = 1925 N which
lies in the xz plane.
a.) Determine the angle (in degrees) between strut AD and
strut AC.
b.) Determine the dimension g such that the force Fis
→>
perpendicular to гAC.
2013 Michael Swanbom
CC
BY NC SA
B
b
C
h/
L
不
g
F
୮
d
y
LLC
Values for dimensions on the figure are given in the table
below. Note the figure may not be to scale. Be sure to align
your cartesian unit vectors with the coordinate axes shown in
the figure.
Variable Value
a
4.8 cm
b
13.4 cm
C
11.6 cm
d
10.4 cm
h
4.4 cm
k
14.8 cm
a. The angle between strut AD and strut AC is
b. The dimension g is
deg.
cm.
Chapter 7 Solutions
Bundle: Welding: Principles and Applications, 8th + MindTap Welding, 4 terms (24 months) Printed Access Card
Ch. 7 - Using Table 7-1, list the six different fuel gases...Ch. 7 - What metals can be cut with the oxyfuel gas...Ch. 7 - What other term is used to refer to the OFC...Ch. 7 - What is a combination welding and cutting torch?Ch. 7 - State one advantage of owning a combination...Ch. 7 - State one advantage of owning a dedicated cutting...Ch. 7 - What is a mixing chamber? Where is it located?Ch. 7 - Define the term equal-pressure torch. How does it...Ch. 7 - How does an injector-type mixing chamber work?Ch. 7 - State the advantages of having two oxygen...
Ch. 7 - Why are some copper alloy cutting tips...Ch. 7 - Using Table 7-4, answer the following: a . Oxygen...Ch. 7 - What determines the amount of preheat flame...Ch. 7 - What can happen if acetylene is used on a tip...Ch. 7 - Why are some propane and natural gas tips made...Ch. 7 - What types of tip seals are used with cutting...Ch. 7 - If a cutting tip sticks in the cutting head, how...Ch. 7 - How can cutting torch tip seals be repaired?Ch. 7 - What is used to reduce the high cylinder or system...Ch. 7 - What do the two pressure gauges on a regulator...Ch. 7 - Why must the gas pressure be released and the...Ch. 7 - What should be done if the torch flashes back?Ch. 7 - What is the purpose of a reverse flow valve?Ch. 7 - Why must the reverse flow valve and the flashback...Ch. 7 - How can a hose be checked for leaks?Ch. 7 - Why is the oxygen valve turned on before starting...Ch. 7 - Why does the preheat flame become slightly...Ch. 7 - What causes the tiny ripples in a hand cut?Ch. 7 - Why is a slight forward torch angle helpful for...Ch. 7 - Why should cans, drums, tanks, or other sealed...Ch. 7 - Why is the torch tip raised as the cutting lever...Ch. 7 - Why are the preheat holes not aligned in the kerf...Ch. 7 - Sketch the proper end shape of a soapstone that is...Ch. 7 - What are two methods you can use to determine what...Ch. 7 - What is the best way to set the oxygen pressure...Ch. 7 - Why is it important to have extra ventilation...Ch. 7 - What factors regarding a cut can be read from the...Ch. 7 - What is hard slag?Ch. 7 - Why is it important to make good-quality cuts?Ch. 7 - When using an ordinary welding table, what can be...Ch. 7 - Describe the methods of controlling distortion...Ch. 7 - List three things that can become a problem when...Ch. 7 - How does cutting small-diameter pipe differ from...
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- 13 F1 35 N = 37°. = Determine the resultant force on the eye bolt. FR = ( + FR magnitude: FR coordinate direction angle a: deg FR coordinate direction angle ẞ`: Ꭱ deg FR coordinate direction angle y: deg N k) Narrow_forwardA hollow cylinder with inner radius of 30 mm and outer radius of 50 mm is heated at the inner surface at a rate of 10^5m^2W and dissipated heat by convection from outer surface into a fluid at 80∘C with h=400 m2 KW. There is no energy generation and thermal conductivity of the material is constant at 15mKW. Calculate the temperature of inside and outside surfaces of cylinder.arrow_forwardplease read everything properly... Take 3 4 5 hrs but solve full accurate drawing on bond paper don't use chat gpt etc okkarrow_forward
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