Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN: 9781305494695
Author: Larry Jeffus
Publisher: Cengage Learning
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Textbook Question
Chapter 21, Problem 6R
Describe what phantom lines are in a drawing.
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A triangular distributed load of max intensity w acts on beam
AB. The beam is supported by a pin at A and member CD,
which is connected by pins at C and D respectively.
Determine the largest load intensity, Wmax, that can be
applied if the pin at D can support a maximum force of
18000 N. Also determine the reactions at A and C
and express each answer in Cartesian components. Assume
the masses of both beam and member ✓ are
negligible.
Dwas
шал
=
A
BY NC SA
2016 Eric Davishahl
C
D
-a-
Ур
-b-
X
B
W
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.
Variable Value
a
6.6 m
b
11.88 m
C
4.29 m
The maximum load intensity is
=
wmax
N/m.
The reaction at A is A =
The reaction at C is
=
i+
Ĵ N.
ĴN.
12
i+
The beam is supported by a pin at B and a roller at C and is
subjected to the loading shown with w =110 lb/ft, and F
205 lb.
a.) If M
=
2,590 ft-lb, determine the support reactions at B
and C. Report your answers in both Cartesian components.
b.) Determine the largest magnitude of the applied couple M
for which the beam is still properly supported in equilibrium
with the pin and roller as shown.
2013 Michael Swanbom
CC
BY NC SA
M
ру
W
B⚫
C
F
ka
b
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.
Variable Value
a
3.2 ft
b
6.4 ft
C
3 ft
a.) The reaction at B is B =
The reaction at C is C =
ĵ lb.
i+
Ĵ lb.
b.) The largest couple that can be applied is M
ft-lb.
==
i+
Chapter 21 Solutions
Welding: Principles and Applications (MindTap Course List)
Ch. 21 - Give examples of drawing pages that might be...Ch. 21 - The title box on a drawing can contain what...Ch. 21 - Where would a welder look in the set of drawings...Ch. 21 - Prob. 4RCh. 21 - What type of lines can be used in a drawing to...Ch. 21 - Describe what phantom lines are in a drawing.Ch. 21 - Compare an orthographic projection (mechanical...Ch. 21 - A mechanical drawing usually includes which three...Ch. 21 - List two types of pictorial drawings that can be...Ch. 21 - What view might be used to show part of an object...
Ch. 21 - What kind of information does a detail view on a...Ch. 21 - The height of an object would be found on which of...Ch. 21 - What is the difference between "as drawn" and "as...Ch. 21 - Prob. 14RCh. 21 - What is the difference between architectural...Ch. 21 - Why is knowing how to sketch a drawing a valuable...Ch. 21 - Prob. 17R
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