Layout and Fabrication of Sheet Metal and Fiber-glass Duct,
pages 2-1 through 2-39.
the tools and equipment needed
for measuring and fabricating
sheet metal and recognize their
The procedure for measuring and
marking material for the cutting,
drilling, and/or welding of metal
is known by the term layout.
What type of tool is most
frequently used to scribe lines
on sheet metal?
IN ANSWERING QUESTIONS 2-3 THROUGH 2-6,
REFER TO FIGURE 2A.
To construct parallel lines in
layout work, you should first clamp
tool A to the base line of your
What other tools in figure
2A do you need to complete the job?
D and C
C and G
B and E
A and D
You need to draw a line that cuts
the base line of your layout work
at an angle of 45 degrees.
tools in the figure, which one is
quickest and easiest to use in
constructing this angle?
What layout tool should you use
to mark a point on your work?
Which of the tools is required to
scribe a circle having a radius of