A.
Base measurement
B.
Bend allowance
C.
Bend tangent line
D.
Flange
E.
Flat
F.
Leg
G.
Mold line
H.
Radius
I.
Setback
Figure 4B
4-55.
What type of development refers to
an object that has surfaces on a
flat plane of projection?
1.
2.
Radial line
Straight line
3.
Right pyramid
4.
Oblique pyramid
4-56.
In figure 8-9, part B, in the
textbook,
line E-l is the true
length of what line(s)?
IN ANSWERING QUESTIONS 4-49 THROUGH 4-53,
1.
A-l
CHOOSE FROM THE METAL BENDING TERMS IN
2.
B-2 and D-4
FIGURE 4B THE TERM DESCRIBED IN THE
3.
C-3
QUESTION.
Some choices may not be used.
4.
0-1 and 02
4-49.
4-50.
4-51.
4-52.
4-53.
4-54.
The outside diameter of the formed
4-57.
What type of pyramid has lateral
part.
edges of unequal length?
1. A
1.
Right
2. C
2.
Oblique
3. D
3.
Orthographic
4. E
4.
Isometric
The amount of metal used to make a
bend.
1. A
2. B
3. C
4. D
4-58.
In figure 8-11, view D, in the
textbook, the true length of the
truncated pyramid is represented by
the point between what lines?
A line formed by extending the
outside surfaces of the leg and
flange so they intersect?
1.
M-N
2.
M-O
3.
N-P
4.
Y-Z
1. B
2. C
3. G
4. H
QUESTIONS 4-59 THOUGH 4-61 DEAL WITH
PARALLEL-LINE DEVELOPMENT AND FIGURES
8-12 AND 8-13 IN THE TEXTBOOK.
4-59
In figure 8-12, view A, the width
of the cylinder is equal to what
other of its measurements?
The distance from the bend tangent
line to the mold point.
1. C
2. D
3. G
4. I
4-60
The shorter part of a formed angle.
1. B
2. D
3. E
4. F
1.
Height
2.
Length
3.
Height plus the seam allowance
4.
Circumference
It is normal practice to place
seams on the shortest side in
sheet metal development.
Which of
the following forms is an
exception?
A surface is said to be developable
if a thin sheet of flexible
material can be wrapped smoothly
about its surface.
4-61
1.
Cylinder
2.
Pyramid
3.
Cone
4.
Elbow
In figure 8-12, view B, points of
intersection are established on the
development for what purpose?
1.
True
2.
False
1.
To determine its true length
2.
To give it a curved shape
3.
To determine its actual size
4.
To ensure greater accuracy.
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